task_url stringlengths 30 116 | task_name stringlengths 2 86 | task_description stringlengths 0 14.4k | language_url stringlengths 2 53 | language_name stringlengths 1 52 | code stringlengths 0 61.9k |
|---|---|---|---|---|---|
http://rosettacode.org/wiki/Text_processing/2 | Text processing/2 | The following task concerns data that came from a pollution monitoring station with twenty-four instruments monitoring twenty-four aspects of pollution in the air. Periodically a record is added to the file, each record being a line of 49 fields separated by white-space, which can be one or more space or tab characters... | #R | R | # Read in data from file
dfr <- read.delim("d:/readings.txt", colClasses=c("character", rep(c("numeric", "integer"), 24)))
dates <- strptime(dfr[,1], "%Y-%m-%d")
# Any bad values?
dfr[which(is.na(dfr))]
# Any duplicated dates
dates[duplicated(dates)]
# Number of rows with no bad values
flags <- as.matrix(dfr[,seq... |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #gnuplot | gnuplot | print "\007" |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Go | Go | package main
import "fmt"
func main() {
fmt.Print("\a")
} |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Groovy | Groovy | println '\7' |
http://rosettacode.org/wiki/The_Twelve_Days_of_Christmas | The Twelve Days of Christmas | Task
Write a program that outputs the lyrics of the Christmas carol The Twelve Days of Christmas.
The lyrics can be found here.
(You must reproduce the words in the correct order, but case, format, and punctuation are left to your discretion.)
Other tasks related to string operations:
Metrics
Array length
Stri... | #Action.21 | Action! | PROC Wait(BYTE frames)
BYTE RTCLOK=$14
frames==+RTCLOK
WHILE frames#RTCLOK DO OD
RETURN
PROC Main()
DEFINE PTR="CARD"
PTR ARRAY num(12),obj(12)
BYTE i,j
num(0)="first" num(1)="second" num(2)="third"
num(3)="fourth" num(4)="fifth" num(5)="sixth"
num(6)="seventh" num(7)="eight" num(8)="ninth"
num(... |
http://rosettacode.org/wiki/The_Twelve_Days_of_Christmas | The Twelve Days of Christmas | Task
Write a program that outputs the lyrics of the Christmas carol The Twelve Days of Christmas.
The lyrics can be found here.
(You must reproduce the words in the correct order, but case, format, and punctuation are left to your discretion.)
Other tasks related to string operations:
Metrics
Array length
Stri... | #ActionScript | ActionScript | package {
import flash.display.Sprite;
import flash.events.Event;
import flash.events.KeyboardEvent;
import flash.events.MouseEvent;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormat;
import flash.ui.Keyboard;
public class TwelveDaysOf... |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Common_Lisp | Common Lisp |
(format t "~C[?1049h~C[H" (code-char #O33) (code-char #O33))
(format t "Alternate screen buffer~%")
(loop for i from 5 downto 1 do (progn
(format t "~%going back in ~a" i)
(sleep 1)
))
(format t "~C[?1049l" (code-char #O33))
|
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Emacs_Lisp | Emacs Lisp | #!/usr/local/bin/emacs --script
;; -*- lexical-binding: t; -*-
;; "ESC [ ? 1049 h" - Enable alternative screen buffer
(princ "\033[?1049h")
(princ "Alternate screen buffer\n")
(let ((i 5))
(while (> i 0)
(princ (format "\rgoing back in %d..." i))
;; flush stdout
(set-binary-mode 'stdout t)
(sleep-... |
http://rosettacode.org/wiki/Text_processing/1 | Text processing/1 | This task has been flagged for clarification. Code on this page in its current state may be flagged incorrect once this task has been clarified. See this page's Talk page for discussion.
Often data is produced by one program, in the wrong format for later use by another program or person. In these situations another pr... | #11l | 11l | V nodata = 0
V nodata_max = -1
[String] nodata_maxline
V tot_file = 0.0
V num_file = 0
:start:
L(line) File(:argv[1]).read().rtrim("\n").split("\n")
V tot_line = 0.0
V num_line = 0
V field = line.split("\t")
V date = field[0]
V data = field[(1..).step(2)].map(f -> Float(f))
V flags = field[(2..)... |
http://rosettacode.org/wiki/Terminal_control/Positional_read | Terminal control/Positional read | Determine the character displayed on the screen at column 3, row 6 and store that character in a variable. Note that it is permissible to utilize system or language provided methods or system provided facilities, system maintained records or available buffers or system maintained display records to achieve this task, r... | #Action.21 | Action! | proc Main()
byte CHARS, cursorinh=$2F0
graphics(0) cursorinh=1
position(2,2) printe("Action!")
CHARS=Locate(2,2) position(2,2) put(CHARS)
cursorinh=0
position(2,4) printf("Character at column 2 row 2 was %C",CHARS)
return |
http://rosettacode.org/wiki/The_ISAAC_Cipher | The ISAAC Cipher | ISAAC is a cryptographically secure pseudo-random number generator (CSPRNG) and stream cipher. It was developed by Bob Jenkins from 1993 (http://burtleburtle.net/bob/rand/isaac.html) and placed in the Public Domain. ISAAC is fast - especially when optimised - and portable to most architectures in nearly all programming... | #Delphi | Delphi |
{$apptype console}
PROGRAM RosettaIsaac;
USES SysUtils;
// TASK globals
VAR msg : STRING = 'a Top Secret secret';
VAR key : STRING = 'this is my secret key';
VAR xctx: STRING = ''; // XOR ciphertext
VAR mctx: STRING = ''; // MOD ciphertext
// ISAAC globals
// external results
VAR randrsl: ARRAY[0..256] OF CARDIN... |
http://rosettacode.org/wiki/Test_integerness | Test integerness | Mathematically,
the integers Z are included in the rational numbers Q,
which are included in the real numbers R,
which can be generalized to the complex numbers C.
This means that each of those larger sets, and the data types used to represent them, include some integers.
Task[edit]
Given a rational, real, or co... | #Elixir | Elixir | defmodule Test do
def integer?(n) when n == trunc(n), do: true
def integer?(_), do: false
end
Enum.each([2, 2.0, 2.5, 2.000000000000001, 1.23e300, 1.0e-300, "123", '123', :"123"], fn n ->
IO.puts "#{inspect n} is integer?: #{Test.integer?(n)}"
end) |
http://rosettacode.org/wiki/Test_integerness | Test integerness | Mathematically,
the integers Z are included in the rational numbers Q,
which are included in the real numbers R,
which can be generalized to the complex numbers C.
This means that each of those larger sets, and the data types used to represent them, include some integers.
Task[edit]
Given a rational, real, or co... | #Factor | Factor | USING: formatting io kernel math math.functions sequences ;
IN: rosetta-code.test-integerness
GENERIC: integral? ( n -- ? )
M: real integral? [ ] [ >integer ] bi number= ;
M: complex integral? >rect [ integral? ] [ 0 number= ] bi* and ;
GENERIC# fuzzy-int? 1 ( n tolerance -- ? )
M: real fuzzy-int? [ dup round -... |
http://rosettacode.org/wiki/Text_processing/Max_licenses_in_use | Text processing/Max licenses in use | A company currently pays a fixed sum for the use of a particular licensed software package. In determining if it has a good deal it decides to calculate its maximum use of the software from its license management log file.
Assume the software's licensing daemon faithfully records a checkout event when a copy of the ... | #Lua | Lua |
filename = "mlijobs.txt"
io.input( filename )
max_out, n_out = 0, 0
occurr_dates = {}
while true do
line = io.read( "*line" )
if line == nil then break end
if string.find( line, "OUT" ) ~= nil then
n_out = n_out + 1
if n_out > max_out then
max_out = n_out
occu... |
http://rosettacode.org/wiki/Test_a_function | Test a function |
Task
Using a well-known testing-specific library/module/suite for your language, write some tests for your language's entry in Palindrome.
If your language does not have a testing specific library well known to the language's community then state this or omit the language.
| #EchoLisp | EchoLisp |
(assert (palindrome? "aba")) → #t
(assert (palindrome? "abbbca") "palindrome fail")
💥 error: palindrome fail : assertion failed : (palindrome? abbbca)
(check-expect (palindrome? "aba") #t) → #t
(check-expect (palindrome? "abcda") #f) → #t
(check-expect (palindrome? "abcda") #t)
😐 warning: #t : check failed : (pal... |
http://rosettacode.org/wiki/Test_a_function | Test a function |
Task
Using a well-known testing-specific library/module/suite for your language, write some tests for your language's entry in Palindrome.
If your language does not have a testing specific library well known to the language's community then state this or omit the language.
| #Erlang | Erlang |
-module( palindrome_tests ).
-compile( export_all ).
-include_lib( "eunit/include/eunit.hrl" ).
abcba_test() -> ?assert( palindrome:is_palindrome("abcba") ).
abcdef_test() -> ?assertNot( palindrome:is_palindrome("abcdef") ).
|
http://rosettacode.org/wiki/Text_processing/2 | Text processing/2 | The following task concerns data that came from a pollution monitoring station with twenty-four instruments monitoring twenty-four aspects of pollution in the air. Periodically a record is added to the file, each record being a line of 49 fields separated by white-space, which can be one or more space or tab characters... | #Racket | Racket | #lang racket
(read-decimal-as-inexact #f)
;; files to read is a sequence, so it could be either a list or vector of files
(define (text-processing/2 files-to-read)
(define seen-datestamps (make-hash))
(define (datestamp-seen? ds) (hash-ref seen-datestamps ds #f))
(define (datestamp-seen! ds pos) (hash-set! seen-d... |
http://rosettacode.org/wiki/Text_processing/2 | Text processing/2 | The following task concerns data that came from a pollution monitoring station with twenty-four instruments monitoring twenty-four aspects of pollution in the air. Periodically a record is added to the file, each record being a line of 49 fields separated by white-space, which can be one or more space or tab characters... | #Raku | Raku | my $good-records;
my $line;
my %dates;
for lines() {
$line++;
/ ^
(\d ** 4 '-' \d\d '-' \d\d)
[ \h+ \d+'.'\d+ \h+ ('-'?\d+) ] ** 24
$ /
or note "Bad format at line $line" and next;
%dates.push: $0 => $line;
$good-records++ if $1.all >= 1;
}
say "$good-records good records out of ... |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Haskell | Haskell | main = putStr "\a" |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Icon_and_Unicon | Icon and Unicon |
procedure main ()
write ("\7") # ASCII 7 rings the bell under Bash
end
|
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #J | J | 7{a. NB. noun a. is a complete ASCII ordered character vector. |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Java | Java | public class Bell{
public static void main(String[] args){
java.awt.Toolkit.getDefaultToolkit().beep();
//or
System.out.println((char)7);
}
} |
http://rosettacode.org/wiki/The_Twelve_Days_of_Christmas | The Twelve Days of Christmas | Task
Write a program that outputs the lyrics of the Christmas carol The Twelve Days of Christmas.
The lyrics can be found here.
(You must reproduce the words in the correct order, but case, format, and punctuation are left to your discretion.)
Other tasks related to string operations:
Metrics
Array length
Stri... | #Ada | Ada | with Ada.Text_IO; use Ada.Text_IO;
with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
procedure Twelve_Days_Of_Christmas is
type Days is (First, Second, Third, Fourth, Fifth, Sixth,
Seventh, Eighth, Ninth, Tenth, Eleventh, Twelfth);
package E_IO is new Ada.Text_IO.Enumeration_IO(Days);
use... |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Forth | Forth | .\" \033[?1049h\033[H" \ preserve screen
." Press any key to return" ekey drop
.\" \033[?1049l" \ restore screen |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #FreeBASIC | FreeBASIC | '' 640x480x8, with 3 pages
Screen 12,,3
Windowtitle "Terminal control/Preserve screen"
'' text for working page #2 (visible page #0)
Screenset 2, 0
Cls
Print "This is the new screen, following a CLS"
'' text for working page #1 (visible page #0)
Screenset 1, 0
Cls
Print "This is the original screen"
' page #0 is ... |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Go | Go | package main
import (
"fmt"
"time"
)
func main() {
fmt.Print("\033[?1049h\033[H")
fmt.Println("Alternate screen buffer\n")
s := "s"
for i := 5; i > 0; i-- {
if i == 1 {
s = ""
}
fmt.Printf("\rgoing back in %d second%s...", i, s)
time.Sleep(time.Sec... |
http://rosettacode.org/wiki/Text_processing/1 | Text processing/1 | This task has been flagged for clarification. Code on this page in its current state may be flagged incorrect once this task has been clarified. See this page's Talk page for discussion.
Often data is produced by one program, in the wrong format for later use by another program or person. In these situations another pr... | #Ada | Ada | with Ada.Text_IO; use Ada.Text_IO;
with Strings_Edit; use Strings_Edit;
with Strings_Edit.Floats; use Strings_Edit.Floats;
with Strings_Edit.Integers; use Strings_Edit.Integers;
procedure Data_Munging is
Syntax_Error : exception;
type Gap_Data is record
Count : Natural := 0;
... |
http://rosettacode.org/wiki/Terminal_control/Positional_read | Terminal control/Positional read | Determine the character displayed on the screen at column 3, row 6 and store that character in a variable. Note that it is permissible to utilize system or language provided methods or system provided facilities, system maintained records or available buffers or system maintained display records to achieve this task, r... | #AutoHotkey | AutoHotkey | DllCall( "AllocConsole" ) ; create a console if not launched from one
hConsole := DllCall( "GetStdHandle", int, STDOUT := -11 )
Loop 10
{
Loop 10
{
Random, asc, % asc("A"), % Asc("Z")
WriteConsole(hConsole, Chr(asc))
}
WriteConsole(hConsole, "`n")
}
MsgBox % ReadConsoleOutputCharacter(hConsole, 1, 3, 6)
; =... |
http://rosettacode.org/wiki/Terminal_control/Positional_read | Terminal control/Positional read | Determine the character displayed on the screen at column 3, row 6 and store that character in a variable. Note that it is permissible to utilize system or language provided methods or system provided facilities, system maintained records or available buffers or system maintained display records to achieve this task, r... | #BASIC | BASIC | 10 DEF FN C(H) = SCRN( H - 1,(V - 1) * 2) + SCRN( H - 1,(V - 1) * 2 + 1) * 16
20 LET V = 6:C$ = CHR$ ( FN C(3)) |
http://rosettacode.org/wiki/The_ISAAC_Cipher | The ISAAC Cipher | ISAAC is a cryptographically secure pseudo-random number generator (CSPRNG) and stream cipher. It was developed by Bob Jenkins from 1993 (http://burtleburtle.net/bob/rand/isaac.html) and placed in the Public Domain. ISAAC is fast - especially when optimised - and portable to most architectures in nearly all programming... | #ECMAScript | ECMAScript | randrsl = new Uint32Array(256);
randcnt = 0;
mm = new Uint32Array(256);
aa = 0;
bb = 0;
cc = 0;
function isaac() {
cc++;
bb += cc;
for(var i = 0; i < 256; i++) {
var x = mm[i];
var sw = i & 3;
if(sw == 0) aa = aa ^ (aa << 13);
els... |
http://rosettacode.org/wiki/Test_integerness | Test integerness | Mathematically,
the integers Z are included in the rational numbers Q,
which are included in the real numbers R,
which can be generalized to the complex numbers C.
This means that each of those larger sets, and the data types used to represent them, include some integers.
Task[edit]
Given a rational, real, or co... | #Fortran | Fortran | MODULE ZERMELO !Approach the foundations of mathematics.
CONTAINS
LOGICAL FUNCTION ISINTEGRAL(X) !A whole number?
REAL*8 X !Alas, this is not really a REAL number.
INTEGER*8 N !Largest available.
IF (ISNAN(X)) THEN !Avoid some sillyness.
ISINTEGRAL = .FALSE. ... |
http://rosettacode.org/wiki/Text_processing/Max_licenses_in_use | Text processing/Max licenses in use | A company currently pays a fixed sum for the use of a particular licensed software package. In determining if it has a good deal it decides to calculate its maximum use of the software from its license management log file.
Assume the software's licensing daemon faithfully records a checkout event when a copy of the ... | #M2000_Interpreter | M2000 Interpreter |
Module Checkit {
Document a$, max_time$
Load.doc a$, "mlijobs.txt"
const dl$=" ", nl$={
}
Def long m, out, max_out=-1
m=Paragraph(a$, 0)
If Forward(a$,m) then {
While m {
job$=Paragraph$(a$,(m))
out+=If(Piece$(job$,dl$,2)="OUT"... |
http://rosettacode.org/wiki/Text_processing/Max_licenses_in_use | Text processing/Max licenses in use | A company currently pays a fixed sum for the use of a particular licensed software package. In determining if it has a good deal it decides to calculate its maximum use of the software from its license management log file.
Assume the software's licensing daemon faithfully records a checkout event when a copy of the ... | #M4 | M4 |
divert(-1)
define(`current',0)
define(`max',0)
define(`OUT',`define(`current',incr(current))`'ifelse(eval(current>max),1,
`define(`max',current)`'divert(-1)`'undivert(1)`'divert(1)',
`ifelse(current,max,`divert(1)undivert(1)')')')
define(`IN',`define(`current',decr(current))')
define(`for',`divert(-1)')
include... |
http://rosettacode.org/wiki/Test_a_function | Test a function |
Task
Using a well-known testing-specific library/module/suite for your language, write some tests for your language's entry in Palindrome.
If your language does not have a testing specific library well known to the language's community then state this or omit the language.
| #Euphoria | Euphoria |
--unittest in standard library 4.0+
include std/unittest.e
include palendrome.e --routines to be tested
object p = "12321"
test_equal("12321", 1, isPalindrome(p))
test_equal("r12321", 1, isPalindrome(reverse(p)))
test_report()
|
http://rosettacode.org/wiki/Test_a_function | Test a function |
Task
Using a well-known testing-specific library/module/suite for your language, write some tests for your language's entry in Palindrome.
If your language does not have a testing specific library well known to the language's community then state this or omit the language.
| #F.23 | F# | let palindrome (s : string) =
let a = s.ToUpper().ToCharArray()
Array.rev a = a
open NUnit.Framework
[<TestFixture>]
type TestCases() =
[<Test>]
member x.Test01() =
Assert.IsTrue(palindrome "radar")
[<Test>]
member x.Test02() =
Assert.IsFalse(palindrome "hello") |
http://rosettacode.org/wiki/Text_processing/2 | Text processing/2 | The following task concerns data that came from a pollution monitoring station with twenty-four instruments monitoring twenty-four aspects of pollution in the air. Periodically a record is added to the file, each record being a line of 49 fields separated by white-space, which can be one or more space or tab characters... | #REXX | REXX | /*REXX program to process instrument data from a data file. */
numeric digits 20 /*allow for bigger numbers. */
ifid='READINGS.TXT' /*name of the input file. */
ofid='READINGS.OUT' /* " " " output " ... |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Julia | Julia |
println("This should ring a bell.\a")
|
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Kotlin | Kotlin | // version 1.1.2
fun main(args: Array<String>) {
println("\u0007")
} |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Lasso | Lasso | stdoutnl('\a') |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Logo | Logo | type char 7 |
http://rosettacode.org/wiki/The_Twelve_Days_of_Christmas | The Twelve Days of Christmas | Task
Write a program that outputs the lyrics of the Christmas carol The Twelve Days of Christmas.
The lyrics can be found here.
(You must reproduce the words in the correct order, but case, format, and punctuation are left to your discretion.)
Other tasks related to string operations:
Metrics
Array length
Stri... | #ALGOL_68 | ALGOL 68 | BEGIN
[]STRING labels = ("first", "second", "third", "fourth",
"fifth", "sixth", "seventh", "eighth",
"ninth", "tenth", "eleventh", "twelfth");
[]STRING gifts = ("A partridge in a pear tree.",
"Two turtle doves, and",
"Three F... |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Java | Java | public class PreserveScreen
{
public static void main(String[] args) throws InterruptedException {
System.out.print("\033[?1049h\033[H");
System.out.println("Alternate screen buffer\n");
for (int i = 5; i > 0; i--) {
String s = (i > 1) ? "s" : "";
System.out.printf("\... |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #JavaScript | JavaScript | (function() {
var orig= document.body.innerHTML
document.body.innerHTML= '';
setTimeout(function() {
document.body.innerHTML= 'something';
setTimeout(function() {
document.body.innerHTML= orig;
}, 1000);
}, 1000);
})(); |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Julia | Julia | const ESC = "\u001B" # escape code
print("$ESC[?1049h$ESC[H")
print("\n\nNow using an alternate screen buffer. Returning after count of: ")
foreach(x -> (sleep(1); print(" $x")), 5:-1:0)
print("$ESC[?1049l\n\n\n")
|
http://rosettacode.org/wiki/Terminal_control/Hiding_the_cursor | Terminal control/Hiding the cursor | The task is to hide the cursor and show it again.
| #Action.21 | Action! | PROC Wait(BYTE frames)
BYTE RTCLOK=$14
frames==+RTCLOK
WHILE frames#RTCLOK DO OD
RETURN
PROC Main()
BYTE CRSINH=$02F0 ;Controls visibility of cursor
Print("Hiding the cursor...")
Wait(50)
CRSINH=1 PutE() ;put the new line character to force hide the cursor
Wait(50)
Print("Showing the cursor...")... |
http://rosettacode.org/wiki/Terminal_control/Inverse_video | Terminal control/Inverse video | Task
Display a word in inverse video (or reverse video) followed by a word in normal video.
| #11l | 11l | print("\033[7mReversed\033[m Normal") |
http://rosettacode.org/wiki/Text_processing/1 | Text processing/1 | This task has been flagged for clarification. Code on this page in its current state may be flagged incorrect once this task has been clarified. See this page's Talk page for discussion.
Often data is produced by one program, in the wrong format for later use by another program or person. In these situations another pr... | #Aime | Aime | integer bads, count, max_bads;
file f;
list l;
real s;
text bad_day, worst_day;
f.stdin;
max_bads = count = bads = s = 0;
while (f.list(l, 0) ^ -1) {
integer i;
i = 2;
while (i < 49) {
if (0 < atoi(l[i])) {
count += 1;
s += atof(l[i - 1]);
if (max_bads < b... |
http://rosettacode.org/wiki/Terminal_control/Positional_read | Terminal control/Positional read | Determine the character displayed on the screen at column 3, row 6 and store that character in a variable. Note that it is permissible to utilize system or language provided methods or system provided facilities, system maintained records or available buffers or system maintained display records to achieve this task, r... | #C | C | #include <windows.h>
#include <wchar.h>
int
main()
{
CONSOLE_SCREEN_BUFFER_INFO info;
COORD pos;
HANDLE conout;
long len;
wchar_t c;
/* Create a handle to the console screen. */
conout = CreateFileW(L"CONOUT$", GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
0... |
http://rosettacode.org/wiki/Terminal_control/Positional_read | Terminal control/Positional read | Determine the character displayed on the screen at column 3, row 6 and store that character in a variable. Note that it is permissible to utilize system or language provided methods or system provided facilities, system maintained records or available buffers or system maintained display records to achieve this task, r... | #Common_Lisp | Common Lisp | (defun positional-read ()
(with-screen (scr :input-blocking t :input-echoing nil :cursor-visible nil)
;; print random characters in a 10x20 grid
(loop for i from 0 to 9 do
(loop for j from 0 to 19 do
(add-char scr (+ 33 (random 94)) :y i :x j)))
;; highlight char to extract at row 6... |
http://rosettacode.org/wiki/The_ISAAC_Cipher | The ISAAC Cipher | ISAAC is a cryptographically secure pseudo-random number generator (CSPRNG) and stream cipher. It was developed by Bob Jenkins from 1993 (http://burtleburtle.net/bob/rand/isaac.html) and placed in the Public Domain. ISAAC is fast - especially when optimised - and portable to most architectures in nearly all programming... | #FreeBASIC | FreeBASIC | ' version 03-11-2016
' compile with: fbc -s console
Dim Shared As UInteger<32> randrsl(256), randcnt
Static Shared As UInteger<32> mm(256)
Static Shared As UInteger<32> aa, bb ,cc
Sub ISAAC()
Dim As UInteger<32> i, x, y
cc = cc + 1
bb = bb + cc
For i = 0 To 256 -1
x = mm(i)
Sel... |
http://rosettacode.org/wiki/Test_integerness | Test integerness | Mathematically,
the integers Z are included in the rational numbers Q,
which are included in the real numbers R,
which can be generalized to the complex numbers C.
This means that each of those larger sets, and the data types used to represent them, include some integers.
Task[edit]
Given a rational, real, or co... | #Free_Pascal | Free Pascal | // in FPC 3.2.0 the definition of `integer` still depends on the compiler mode
{$mode objFPC}
uses
// used for `isInfinite`, `isNan` and `fMod`
math,
// NB: `ucomplex`’s `complex` isn’t a simple data type as ISO 10206 requires
ucomplex;
{ --- determines whether a `float` value is (almost) an `integer` ------ }
... |
http://rosettacode.org/wiki/Text_processing/Max_licenses_in_use | Text processing/Max licenses in use | A company currently pays a fixed sum for the use of a particular licensed software package. In determining if it has a good deal it decides to calculate its maximum use of the software from its license management log file.
Assume the software's licensing daemon faithfully records a checkout event when a copy of the ... | #Mathematica.2FWolfram_Language | Mathematica/Wolfram Language | LC = 0; LCMax = 0; Scan[
If[MemberQ[#, "OUT"], LC++;
If[LCMax < LC, LCMax = LC; LCMaxtimes = {};];
If[LCMax == LC, AppendTo[LCMaxtimes, #[[4]]]],
LC--;] &, Import["mlijobs.txt", "Table"]]
Print["The maximum number of licenses used was ", LCMax, ", at ", LCMaxtimes] |
http://rosettacode.org/wiki/Test_a_function | Test a function |
Task
Using a well-known testing-specific library/module/suite for your language, write some tests for your language's entry in Palindrome.
If your language does not have a testing specific library well known to the language's community then state this or omit the language.
| #Factor | Factor | USING: kernel sequences ;
IN: palindrome
: palindrome? ( string -- ? ) dup reverse = ; |
http://rosettacode.org/wiki/Test_a_function | Test a function |
Task
Using a well-known testing-specific library/module/suite for your language, write some tests for your language's entry in Palindrome.
If your language does not have a testing specific library well known to the language's community then state this or omit the language.
| #Fantom | Fantom |
class TestPalindrome : Test
{
public Void testIsPalindrome ()
{
verify(Palindrome.isPalindrome(""))
verify(Palindrome.isPalindrome("a"))
verify(Palindrome.isPalindrome("aa"))
verify(Palindrome.isPalindrome("aba"))
verifyFalse(Palindrome.isPalindrome("abb"))
verify(Palindrome.isPalindrome("... |
http://rosettacode.org/wiki/Text_processing/2 | Text processing/2 | The following task concerns data that came from a pollution monitoring station with twenty-four instruments monitoring twenty-four aspects of pollution in the air. Periodically a record is added to the file, each record being a line of 49 fields separated by white-space, which can be one or more space or tab characters... | #Ruby | Ruby | require 'set'
def munge2(readings, debug=false)
datePat = /^\d{4}-\d{2}-\d{2}/
valuPat = /^[-+]?\d+\.\d+/
statPat = /^-?\d+/
totalLines = 0
dupdate, badform, badlen, badreading = Set[], Set[], Set[], 0
datestamps = Set[[]]
for line in readings
totalLines += 1
fields = line.split(/\t/)... |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Lua | Lua | print("\a") |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #M2000_Interpreter | M2000 Interpreter |
Module CheckIt {
After 300 {beep}
Print "Begin"
for i=0 to 100 {
wait 10
Print i
}
Print "End"
}
CheckIt
|
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Mathematica.2FWolfram_Language | Mathematica/Wolfram Language | Print["\007"] |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #MUMPS | MUMPS | write $char(7) |
http://rosettacode.org/wiki/The_Twelve_Days_of_Christmas | The Twelve Days of Christmas | Task
Write a program that outputs the lyrics of the Christmas carol The Twelve Days of Christmas.
The lyrics can be found here.
(You must reproduce the words in the correct order, but case, format, and punctuation are left to your discretion.)
Other tasks related to string operations:
Metrics
Array length
Stri... | #AppleScript | AppleScript | set gifts to {"A partridge in a pear tree.", "Two turtle doves, and", ¬
"Three French hens,", "Four calling birds,", ¬
"Five gold rings,", "Six geese a-laying,", ¬
"Seven swans a-swimming,", "Eight maids a-milking,", ¬
"Nine ladies dancing,", "Ten lords a-leaping,", ¬
"Eleven pipers piping,", "Twelve drummers drum... |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Kotlin | Kotlin | // version 1.1.2
const val ESC = "\u001B"
fun main(args: Array<String>) {
print("$ESC[?1049h$ESC[H")
println("Alternate screen buffer")
for(i in 5 downTo 1) {
print("\rGoing back in $i second${if (i != 1) "s" else ""}...")
Thread.sleep(1000)
}
print("$ESC[?1049l")
} |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #M2000_Interpreter | M2000 Interpreter |
Module PreserveScreen {
Bold 1
Font "Arial"
Paper=#225511
SplitScreenRow=0
Cls Paper, SplitScreenRow
Print "Test"
Gosub GetState
Font "Tahoma"
Bold 1 : Italic 1: Pen 15
cls 0, 5
For i=1 to 100 : Print i: Next i
Move 6000,6000
For i=1000 to ... |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Mathematica.2FWolfram_Language | Mathematica/Wolfram Language | Run["tput smcup"] (* Save the display *)
Run["echo Hello"]
Pause[5] (* Wait five seconds *)
Run["tput rmcup"] |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Nim | Nim | import os
echo "\e[?1049h\e[H"
echo "Alternate buffer!"
for i in countdown(5, 1):
echo "Going back in: ", i
sleep 1000
echo "\e[?1049l" |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Perl | Perl | print "\033[?1049h\033[H";
print "Alternate screen buffer\n";
for (my $i = 5; $i > 0; --$i) {
print "going back in $i...\n";
sleep(1);
}
print "\033[?1049l"; |
http://rosettacode.org/wiki/Terminal_control/Hiding_the_cursor | Terminal control/Hiding the cursor | The task is to hide the cursor and show it again.
| #Ada | Ada | with Ada.Text_Io;
with Ansi;
procedure Hiding is
use Ada.Text_Io;
begin
Put ("Hiding the cursor for 2.0 seconds...");
delay 0.500;
Put (Ansi.Hide);
delay 2.000;
Put ("And showing again.");
delay 0.500;
Put (Ansi.Show);
delay 2.000;
New_Line;
end Hiding; |
http://rosettacode.org/wiki/Terminal_control/Hiding_the_cursor | Terminal control/Hiding the cursor | The task is to hide the cursor and show it again.
| #Arturo | Arturo | cursor false
print "hiding the cursor"
pause 2000
cursor true
print "showing the cursor" |
http://rosettacode.org/wiki/Terminal_control/Hiding_the_cursor | Terminal control/Hiding the cursor | The task is to hide the cursor and show it again.
| #AutoHotkey | AutoHotkey | DllCall("AllocConsole") ; Create a console if not launched from one
hConsole := DllCall("GetStdHandle", UInt, STDOUT := -11)
VarSetCapacity(cci, 8) ; CONSOLE_CURSOR_INFO structure
DllCall("GetConsoleCursorInfo", UPtr, hConsole, UPtr, &cci)
NumPut(0, cci, 4)
DllCall("SetConsoleCursorInfo", UPtr, hConsole, UPtr, &cci)... |
http://rosettacode.org/wiki/Terminal_control/Inverse_video | Terminal control/Inverse video | Task
Display a word in inverse video (or reverse video) followed by a word in normal video.
| #6502_Assembly | 6502 Assembly | tmpx -i inverse-video.s -o inverse-video.prg
|
http://rosettacode.org/wiki/Terminal_control/Inverse_video | Terminal control/Inverse video | Task
Display a word in inverse video (or reverse video) followed by a word in normal video.
| #Action.21 | Action! | PROC PrintInv(CHAR ARRAY a)
BYTE i
IF a(0)>0 THEN
FOR i=1 TO a(0)
DO
Put(a(i)%$80)
OD
FI
RETURN
PROC Main()
Position(2,2)
PrintInv("Inverse")
Print(" video")
RETURN |
http://rosettacode.org/wiki/Terminal_control/Inverse_video | Terminal control/Inverse video | Task
Display a word in inverse video (or reverse video) followed by a word in normal video.
| #Ada | Ada | with Ada.Text_IO; use Ada.Text_IO;
procedure Reverse_Video is
Rev_Video : String := Ascii.ESC & "[7m";
Norm_Video : String := Ascii.ESC & "[m";
begin
Put (Rev_Video & "Reversed");
Put (Norm_Video & " Normal");
end Reverse_Video;
|
http://rosettacode.org/wiki/Terminal_control/Inverse_video | Terminal control/Inverse video | Task
Display a word in inverse video (or reverse video) followed by a word in normal video.
| #ARM_Assembly | ARM Assembly | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Program Start
.equ ramarea, 0x02000000
.equ CursorX,ramarea
.equ CursorY,ramarea+1
ProgramStart:
mov sp,#0x03000000 ;Init Stack Pointer
mov r4,#0x04000000 ;DISPCNT -LCD Cont... |
http://rosettacode.org/wiki/Ternary_logic | Ternary logic |
This page uses content from Wikipedia. The original article was at Ternary logic. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
In logic, a three-valued logic (also trivalent, ternary, or trinary... | #Action.21 | Action! | DEFINE TERNARY="BYTE"
DEFINE FALSE="0"
DEFINE MAYBE="1"
DEFINE TRUE="2"
PROC PrintT(TERNARY a)
IF a=FALSE THEN Print("F")
ELSEIF a=MAYBE THEN Print("?")
ELSE Print("T")
FI
RETURN
TERNARY FUNC NotT(TERNARY a)
RETURN (TRUE-a)
TERNARY FUNC AndT(TERNARY a,b)
IF a<b THEN RETURN (a) FI
RETURN (b)
TERNARY FU... |
http://rosettacode.org/wiki/Terminal_control/Display_an_extended_character | Terminal control/Display an extended character | Task
Display an extended (non ASCII) character onto the terminal.
Specifically, display a £ (GBP currency sign).
| #11l | 11l | print(‘£’) |
http://rosettacode.org/wiki/Text_processing/1 | Text processing/1 | This task has been flagged for clarification. Code on this page in its current state may be flagged incorrect once this task has been clarified. See this page's Talk page for discussion.
Often data is produced by one program, in the wrong format for later use by another program or person. In these situations another pr... | #ALGOL_68 | ALGOL 68 | INT no data := 0; # Current run of consecutive flags<0 in lines of file #
INT no data max := -1; # Max consecutive flags<0 in lines of file #
FLEX[0]STRING no data max line; # ... and line number(s) where it occurs #
REAL tot file := 0; # Sum of file data #
INT num file := 0; ... |
http://rosettacode.org/wiki/Terminal_control/Positional_read | Terminal control/Positional read | Determine the character displayed on the screen at column 3, row 6 and store that character in a variable. Note that it is permissible to utilize system or language provided methods or system provided facilities, system maintained records or available buffers or system maintained display records to achieve this task, r... | #Go | Go | package main
/*
#include <windows.h>
*/
import "C"
import "fmt"
func main() {
for i := 0; i < 80*25; i++ {
fmt.Print("A") // fill 80 x 25 console with 'A's
}
fmt.Println()
conOut := C.GetStdHandle(C.STD_OUTPUT_HANDLE)
info := C.CONSOLE_SCREEN_BUFFER_INFO{}
pos := C.COORD{}
C.Get... |
http://rosettacode.org/wiki/Terminal_control/Positional_read | Terminal control/Positional read | Determine the character displayed on the screen at column 3, row 6 and store that character in a variable. Note that it is permissible to utilize system or language provided methods or system provided facilities, system maintained records or available buffers or system maintained display records to achieve this task, r... | #Julia | Julia | using LibNCurses
randtxt(n) = foldl(*, rand(split("1234567890abcdefghijklmnopqrstuvwxyz", ""), n))
initscr()
for i in 1:20
LibNCurses.mvwaddstr(i, 1, randtxt(50))
end
row = rand(1:20)
col = rand(1:50)
ch = LibNCurses.winch(row, col)
LibNCurses.mvwaddstr(col, 52, "The character at ($row, $col) is $ch.") )
|
http://rosettacode.org/wiki/Terminal_control/Positional_read | Terminal control/Positional read | Determine the character displayed on the screen at column 3, row 6 and store that character in a variable. Note that it is permissible to utilize system or language provided methods or system provided facilities, system maintained records or available buffers or system maintained display records to achieve this task, r... | #Kotlin | Kotlin | // Kotlin Native version 0.3
import kotlinx.cinterop.*
import win32.*
fun main(args: Array<String>) {
for (i in 0 until (80 * 25)) print("A") // fill 80 x 25 console with 'A's
println()
memScoped {
val conOut = GetStdHandle(-11)
val info = alloc<CONSOLE_SCREEN_BUFFER_INFO>()
... |
http://rosettacode.org/wiki/The_ISAAC_Cipher | The ISAAC Cipher | ISAAC is a cryptographically secure pseudo-random number generator (CSPRNG) and stream cipher. It was developed by Bob Jenkins from 1993 (http://burtleburtle.net/bob/rand/isaac.html) and placed in the Public Domain. ISAAC is fast - especially when optimised - and portable to most architectures in nearly all programming... | #Go | Go | package main
import "fmt"
const (
msg = "a Top Secret secret"
key = "this is my secret key"
)
func main() {
var z state
z.seed(key)
fmt.Println("Message: ", msg)
fmt.Println("Key : ", key)
fmt.Println("XOR : ", z.vernam(msg))
}
type state struct {
aa, bb, cc uint32
mm ... |
http://rosettacode.org/wiki/Test_integerness | Test integerness | Mathematically,
the integers Z are included in the rational numbers Q,
which are included in the real numbers R,
which can be generalized to the complex numbers C.
This means that each of those larger sets, and the data types used to represent them, include some integers.
Task[edit]
Given a rational, real, or co... | #Go | Go | package main
import (
"fmt"
"math"
"math/big"
"reflect"
"strings"
"unsafe"
)
// Go provides an integerness test only for the big.Rat and big.Float types
// in the standard library.
// The fundamental piece of code needed for built-in floating point types
// is a test on the float64 type:
func Float64IsInt... |
http://rosettacode.org/wiki/Text_processing/Max_licenses_in_use | Text processing/Max licenses in use | A company currently pays a fixed sum for the use of a particular licensed software package. In determining if it has a good deal it decides to calculate its maximum use of the software from its license management log file.
Assume the software's licensing daemon faithfully records a checkout event when a copy of the ... | #MAXScript | MAXScript | fn licencesInUse =
(
local logFile = openFile "mlijobs.txt"
local out = 0
local maxOut = -1
local maxTimes = #()
while not EOF logFile do
(
line = readLine logFile
if findString line "OUT" != undefined then
(
out += 1
)
else
(
... |
http://rosettacode.org/wiki/Text_processing/Max_licenses_in_use | Text processing/Max licenses in use | A company currently pays a fixed sum for the use of a particular licensed software package. In determining if it has a good deal it decides to calculate its maximum use of the software from its license management log file.
Assume the software's licensing daemon faithfully records a checkout event when a copy of the ... | #Nim | Nim | import strutils
var
curOut = 0
maxOut = -1
maxTimes = newSeq[string]()
for job in lines "mlijobs.txt":
if "OUT" in job: inc curOut else: dec curOut
if curOut > maxOut:
maxOut = curOut
maxTimes.setLen(0)
if curOut == maxOut:
maxTimes.add job.split[3]
echo "Maximum simultaneous license use i... |
http://rosettacode.org/wiki/Test_a_function | Test a function |
Task
Using a well-known testing-specific library/module/suite for your language, write some tests for your language's entry in Palindrome.
If your language does not have a testing specific library well known to the language's community then state this or omit the language.
| #Fortran | Fortran |
Sub StrReverse(Byref text As String)
Dim As Integer x, lt = Len(text)
For x = 0 To lt Shr 1 - 1
Swap text[x], text[lt - x - 1]
Next x
End Sub
Sub Replace(Byref T As String, Byref I As String, Byref S As String, Byval A As Integer = 1)
Var p = Instr(A, T, I), li = Len(I), ls = Len(S) : If l... |
http://rosettacode.org/wiki/Text_processing/2 | Text processing/2 | The following task concerns data that came from a pollution monitoring station with twenty-four instruments monitoring twenty-four aspects of pollution in the air. Periodically a record is added to the file, each record being a line of 49 fields separated by white-space, which can be one or more space or tab characters... | #Scala | Scala | object DataMunging2 {
import scala.io.Source
import scala.collection.immutable.{TreeMap => Map}
val pattern = """^(\d+-\d+-\d+)""" + """\s+(\d+\.\d+)\s+(-?\d+)""" * 24 + "$" r;
def main(args: Array[String]) {
val files = args map (new java.io.File(_)) filter (file => file.isFile && file.canRead)
val... |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Nanoquery | Nanoquery | print chr(7) |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Nemerle | Nemerle | using System.Console;
module Beep
{
Main() : void
{
Write("\a");
System.Threading.Thread.Sleep(1000);
Beep();
System.Threading.Thread.Sleep(1000);
Beep(2600, 1000); // limited OS support
}
} |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #NetRexx | NetRexx | /* NetRexx */
options replace format comments java crossref symbols binary
runSample(arg)
return
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
method runSample(arg) private static
do
BEL = 8x07
jtk = java.awt.toolkit.getDefaultToolkit()
say 'Bing!'(Rexx BEL).d2c
... |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #Nim | Nim | echo "\a" |
http://rosettacode.org/wiki/The_Twelve_Days_of_Christmas | The Twelve Days of Christmas | Task
Write a program that outputs the lyrics of the Christmas carol The Twelve Days of Christmas.
The lyrics can be found here.
(You must reproduce the words in the correct order, but case, format, and punctuation are left to your discretion.)
Other tasks related to string operations:
Metrics
Array length
Stri... | #Arturo | Arturo | gifts: [
"A partridge in a pear tree."
"Two turtle doves"
"Three french hens"
"Four calling birds"
"Five golden rings"
"Six geese a-laying"
"Seven swans a-swimming"
"Eight maids a-milking"
"Nine ladies dancing"
"Ten lords a-leaping"
"Eleven pipers piping"
"Twelve drummers... |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Phix | Phix | without js -- (save_text_image, sleep, display_text_image)
sequence s = save_text_image({1,1}, {25,80})
clear_screen()
puts(1,"\n\n *** hello ***\n")
sleep(5)
display_text_image({1,1}, s)
sleep(3)
|
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #PicoLisp | PicoLisp | #!/usr/bin/picolisp /usr/lib/picolisp/lib.l
(call 'tput "smcup")
(prinl "something")
(wait 3000)
(call 'tput "rmcup")
(bye) |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #Python | Python | #!/usr/bin/env python
import time
print "\033[?1049h\033[H"
print "Alternate buffer!"
for i in xrange(5, 0, -1):
print "Going back in:", i
time.sleep(1)
print "\033[?1049l" |
http://rosettacode.org/wiki/Terminal_control/Preserve_screen | Terminal control/Preserve screen |
Task
Clear the screen, output something on the display, and then restore the screen to the preserved state that it was in before the task was carried out.
There is no requirement to change the font or kerning in this task, however character decorations and attributes are expected to be preserved. If the implement... | #R | R | cat("\033[?1049h\033[H")
cat("Alternate screen buffer\n")
for (i in 5:1) {
cat("\rgoing back in ", i, "...", sep = "")
Sys.sleep(1)
cat("\33[2J")
}
cat("\033[?1049l") |
http://rosettacode.org/wiki/Terminal_control/Hiding_the_cursor | Terminal control/Hiding the cursor | The task is to hide the cursor and show it again.
| #BaCon | BaCon | ' Hiding the cursor for an ANSI compliant terminal
CURSOR OFF
CURSOR ON |
http://rosettacode.org/wiki/Terminal_control/Hiding_the_cursor | Terminal control/Hiding the cursor | The task is to hide the cursor and show it again.
| #BASIC | BASIC | 'hide the cursor:
LOCATE , , 0
'wait for a keypress...
SLEEP
'show the cursor:
LOCATE , , 1 |
http://rosettacode.org/wiki/Terminal_control/Hiding_the_cursor | Terminal control/Hiding the cursor | The task is to hide the cursor and show it again.
| #BBC_BASIC | BBC BASIC | OFF : REM Hide the cursor
WAIT 400
ON : REM Show the cursor again |
http://rosettacode.org/wiki/Terminal_control/Hiding_the_cursor | Terminal control/Hiding the cursor | The task is to hide the cursor and show it again.
| #Befunge | Befunge | "l52?["39*,,,,,, >v
"retnE sserP">:#,_v>
"h52?["39*,,,,,,@ >~ |
http://rosettacode.org/wiki/Terminal_control/Inverse_video | Terminal control/Inverse video | Task
Display a word in inverse video (or reverse video) followed by a word in normal video.
| #AutoHotkey | AutoHotkey | DllCall( "AllocConsole" ) ; create a console if not launched from one
hConsole := DllCall( "GetStdHandle", int, STDOUT := -11 )
SetConsoleTextAttribute(hConsole, 0x70) ; gray background, black foreground
FileAppend, Reversed`n, CONOUT$ ; print to stdout
SetConsoleTextAttribute(hConsole, 0x07) ; black background, gr... |
http://rosettacode.org/wiki/Terminal_control/Inverse_video | Terminal control/Inverse video | Task
Display a word in inverse video (or reverse video) followed by a word in normal video.
| #AWK | AWK | BEGIN {
system ("tput rev")
print "foo"
system ("tput sgr0")
print "bar"
} |
http://rosettacode.org/wiki/Terminal_control/Inverse_video | Terminal control/Inverse video | Task
Display a word in inverse video (or reverse video) followed by a word in normal video.
| #Axe | Axe | Fix 3
Disp "INVERTED"
Fix 2
Disp "REGULAR",i
Pause 4500 |
Subsets and Splits
Rosetta Code COBOL Python Hard Tasks
Identifies and retrieves challenging tasks that exist in both COBOL and Python, revealing cross-language programming patterns and difficulty levels for comparative analysis.
Rosetta Code Task Comparisons
Identifies tasks common to both COBOL and Python languages that are described as having difficulty levels, revealing cross-language task similarities and providing useful comparative programming examples.
Select Specific Languages Codes
Retrieves specific programming language names and codes from training data, providing basic filtering but limited analytical value beyond identifying these particular languages.