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 |
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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... | #Ada | Ada | package Logic is
type Ternary is (True, Unknown, False);
-- logic functions
function "and"(Left, Right: Ternary) return Ternary;
function "or"(Left, Right: Ternary) return Ternary;
function "not"(T: Ternary) return Ternary;
function Equivalent(Left, Right: Ternary) return Ternary;
function Impli... |
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).
| #ACL2 | ACL2 | (cw "£") |
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).
| #Action.21 | Action! | PROC Main()
BYTE CHBAS=$02F4 ;Character Base Register
CHBAS=$CC ;set the international character set
Position(2,2)
Put(8) ;print the GBP currency sign
RETURN |
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).
| #Ada | Ada | with Ada.Text_IO; use Ada.Text_IO;
with Ada.Characters.Latin_1;
procedure Pound is
begin
Put(Ada.Characters.Latin_1.Pound_Sign);
end Pound; |
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).
| #Arturo | Arturo | print "£" |
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).
| #AWK | AWK | BEGIN { 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... | #AutoHotkey | AutoHotkey | # Author AlephX Aug 17 2011
SetFormat, float, 4.2
SetFormat, FloatFast, 4.2
data = %A_scriptdir%\readings.txt
result = %A_scriptdir%\results.txt
totvalid := 0
totsum := 0
totavg:= 0
Loop, Read, %data%, %result%
{
sum := 0
Valid := 0
Couples := 0
Lines := A_Index
Loop, parse, A_LoopReadLine, %A_Tab%
{
... |
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... | #Ksh | Ksh |
#!/bin/ksh
# Determine the character displayed on the screen at column 3, row 6 and
# store that character in a variable.
#
# Use a group of functions "shellcurses"
# # Variables:
#
FPATH="/usr/local/functions/shellcurses/"
rst="�[0m"
red="�[31m"
whi="�[37m"
integer row=${1:-6} col=${2:-3} # Allow command l... |
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... | #Nim | Nim | import random, sequtils, strutils
import ncurses
randomize()
let win = initscr()
assert not win.isNil, "Unable to initialize."
for y in 0..9:
mvaddstr(y.cint, 0, newSeqWith(10, sample({'0'..'9', 'a'..'z'})).join())
let row = rand(9).cint
let col = rand(9).cint
let ch = win.mvwinch(row, col)
mvaddstr(row, co... |
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... | #Perl | Perl | # 20200917 added Perl programming solution
use strict;
use warnings;
use Curses;
initscr or die;
my $win = Curses->new;
foreach my $row (0..9) {
$win->addstr( $row , 0, join('', map { chr(int(rand(50)) + 41) } (0..9)))
};
my $icol = 3 - 1;
my $irow = 6 - 1;
my $ch = $win->inch($irow,$icol);
$win->add... |
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... | #Haskell | Haskell | import Data.Array (Array, (!), (//), array, elems)
import Data.Word (Word, Word32)
import Data.Bits (shift, xor)
import Data.Char (toUpper)
import Data.List (unfoldr)
import Numeric (showHex)
type IArray = Array Word32 Word32
data IsaacState = IState
{ randrsl :: IArray
, randcnt :: Word32
, mm :: IArray
, ... |
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... | #Haskell | Haskell | import Data.Decimal
import Data.Ratio
import Data.Complex |
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... | #J | J | isInt =: (= <.) *. (= {.@+.) |
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 ... | #OCaml | OCaml | let () =
let out = ref 0 in
let max_out = ref(-1) in
let max_times = ref [] in
let ic = open_in "mlijobs.txt" in
try while true do
let line = input_line ic in
let io, date, n =
Scanf.sscanf line
"License %3[IN OUT] %_c %19[0-9/:_] for job %d"
(fun io date n -> (io, date, n))
... |
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.
| #FreeBASIC | FreeBASIC |
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... | #Sidef | Sidef | var good_records = 0;
var dates = Hash();
ARGF.each { |line|
var m = /^(\d\d\d\d-\d\d-\d\d)((?:\h+\d+\.\d+\h+-?\d+){24})\s*$/.match(line);
m || (warn "Bad format at line #{$.}"; next);
dates{m[0]} := 0 ++;
var i = 0;
m[1].words.all{|n| i++.is_even || (n.to_num >= 1) } && ++good_records;
}
say "#... |
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... | #Objeck | Objeck | 7->As(Char)->PrintLine(); |
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... | #PARI.2FGP | PARI/GP | \\ Ringing the terminal bell.
\\ 8/14/2016 aev
Strchr(7) \\ press <Enter> |
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... | #Pascal | Pascal | 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... | #Perl | Perl | print "\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... | #AutoHotkey | AutoHotkey | nth := ["first","second","third","fourth","fifth","sixth","seventh","eighth","ninth","tenth","eleventh","twelfth"]
lines := ["A partridge in a pear tree."
,"Two turtle doves and"
,"Three french hens"
,"Four calling birds"
,"Five golden rings"
,"Six geese a-laying"
,"Seven swans a-swimming"
,"Eight maids a... |
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... | #Racket | Racket |
#lang racket
(require racket/system)
(define (flash str)
(system "tput smcup")
(displayln str)
(sleep 2)
(system "tput rmcup")
(void))
(flash "Hello world.")
|
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... | #Raku | Raku | print "\e[?1049h\e[H";
say "Alternate buffer!";
for 5,4...1 {
print "\rGoing back in: $_";
sleep 1;
}
print "\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... | #REXX | REXX | /*REXX program saves the screen contents and also the cursor location, then clears the */
/*──── screen, writes a half screen of ~~~ lines, and then restores the original screen.*/
parse value scrsize() with sd sw . /*determine the size of terminal screen*/
parse value cursor(1,1) with curRow curCol... |
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... | #Rust | Rust | use std::io::{stdout, Write};
use std::time::Duration;
fn main() {
let mut output = stdout();
print!("\x1b[?1049h\x1b[H");
println!("Alternate screen buffer");
for i in (1..=5).rev() {
print!("\rgoing back in {}...", i);
output.flush().unwrap();
std::thread::sleep(Duration:... |
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.
| #C | C |
/* Please note that curs_set is terminal dependent. */
#include<curses.h>
#include<stdio.h>
int
main ()
{
printf
("At the end of this line you will see the cursor, process will sleep for 5 seconds.");
napms (5000);
curs_set (0);
printf
("\nAt the end of this line you will NOT see the cursor, proce... |
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.
| #C.23 | C# | static void Main(string[] args)
{
Console.Write("At the end of this line you will see the cursor, process will sleep for 5 seconds.");
System.Threading.Thread.Sleep(5000);
Console.CursorVisible = false;
Console.WriteLine();
Console.Write("At the end of this line you will not see the cursor, process ... |
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.
| #C.2B.2B | C++ |
#include <Windows.h>
int main()
{
bool showCursor = false;
HANDLE std_out = GetStdHandle(STD_OUTPUT_HANDLE); // Get standard output
CONSOLE_CURSOR_INFO cursorInfo; //
GetConsoleCursorInfo(out, &cursorInfo); // Get cursorinfo from output
cursorInfo.bVisible = showCursor; ... |
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.
| #BaCon | BaCon | COLOR INVERSE
PRINT "a word"
COLOR RESET
PRINT "a word" |
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.
| #BASIC | BASIC | INVERSE:?"ROSETTA";:NORMAL:?" CODE" |
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.
| #Befunge | Befunge | 0"lamroNm["39*"esrevnIm7["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.
| #C | C | #include <stdio.h>
int main()
{
printf("\033[7mReversed\033[m Normal\n");
return 0;
} |
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... | #ALGOL_68 | ALGOL 68 | # -*- coding: utf-8 -*- #
INT trit width = 1, trit base = 3;
MODE TRIT = STRUCT(BITS trit);
CO FORMAT trit fmt = $c("?","⌈","⌊",#|"~"#)$; CO
# These values treated are as per "Balanced ternary" #
# eg true=1, maybe=0, false=-1 #
TRIT true =INITTRIT 4r1, maybe=INITTRIT 4r0,
false=INITTRIT 4r2;
# Warning: rede... |
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).
| #BaCon | BaCon | ' Display extended character, pound sterling
LET c$ = UTF8$(0xA3)
PRINT c$ |
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).
| #BASIC | BASIC | 10 DATA 56,68,4,14,4,4,122,0
20 HGR
30 FOR I = 8192 TO 16383 STEP 1024
40 READ B: POKE I,B: NEXT |
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).
| #BBC_BASIC | BBC BASIC | PRINT "£" |
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).
| #bc | bc | "£
"
quit |
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).
| #beeswax | beeswax | _4~9P.P.M} |
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... | #AWK | AWK | BEGIN{
nodata = 0; # Current run of consecutive flags<0 in lines of file
nodata_max=-1; # Max consecutive flags<0 in lines of file
nodata_maxline="!"; # ... and line number(s) where it occurs
}
FNR==1 {
# Accumulate input file names
if(infiles){
infiles = infiles "," infiles
} ... |
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... | #Phix | Phix | --
-- demo\rosetta\Positional_read.exw
-- ================================
--
without js -- (position, get_screen_char)
position(6,1) -- line 6 column 1 (1-based)
puts(1,"abcdef")
integer {ch,attr} = get_screen_char(6,3)
printf(1,"\n\n=>%c",ch)
{} = wait_key()
|
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... | #PowerShell | PowerShell |
$coord = [System.Management.Automation.Host.Coordinates]::new(3, 6)
$rect = [System.Management.Automation.Host.Rectangle]::new($coord, $coord)
$char = $Host.UI.RawUI.GetBufferContents($rect).Character
|
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... | #Python | Python | import curses
from random import randint
# Print random text in a 10x10 grid
stdscr = curses.initscr()
for rows in range(10):
line = ''.join([chr(randint(41, 90)) for i in range(10)])
stdscr.addstr(line + '\n')
# Read
icol = 3 - 1
irow = 6 - 1
ch = stdscr.instr(irow, icol, 1).decode(encoding="utf-8")
# ... |
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... | #Haxe | Haxe |
package src ;
import haxe.Int32;
import haxe.macro.Expr;
import haxe.ds.Vector;
typedef Ub4 = Int32;
enum Ciphermode {
mEncipher;
mDecipher;
mNone;
}
class Isaac
{
public var randrsl = new Vector<Ub4>(256);
public var randcnt:Ub4;
var mm = new Vector<Ub4>(256);
var aa:Ub4 = 0;
var bb:Ub4 = 0;
var cc... |
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... | #Java | Java | import java.math.BigDecimal;
import java.util.List;
public class TestIntegerness {
private static boolean isLong(double d) {
return isLong(d, 0.0);
}
private static boolean isLong(double d, double tolerance) {
return (d - Math.floor(d)) <= tolerance || (Math.ceil(d) - d) <= tolerance;
... |
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 ... | #Oz | Oz | declare
fun {MaxLicenses Filename ?Times}
InUse = {NewCell 0}
MaxInUse = {NewCell 0}
MaxTimes = {NewCell nil}
in
for Job in {ReadLines Filename} do
case {List.take Job 11} of "License OUT" then
InUse := @InUse + 1
if @InUse > @MaxInUse then
MaxInUse := @InUse
Ma... |
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.
| #Go | Go | package pal
import "testing"
func TestPals(t *testing.T) {
pals := []string{
"",
".",
"11",
"ere",
"ingirumimusnocteetconsumimurigni",
}
for _, s := range pals {
if !IsPal(s) {
t.Error("IsPal returned false on palindrome,", s)
}
}
}... |
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... | #Snobol4 | Snobol4 | * Read text/2
v = array(24)
f = array(24)
tos = char(9) " " ;* break characters are both tab and space
pat1 = break(tos) . dstamp
pat2 = span(tos) break(tos) . *v[i] span(tos) (break(tos) | (len(1) rem)) . *f[i]
rowcount = 0
hold_dstamp = ""
num_bad_rows = 0
num_invalid_rows = 0
in0
row = input :f(endinpu... |
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... | #Phix | Phix | puts(1,"\x07")
|
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... | #PHP | PHP | <?php
echo "\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... | #PicoLisp | PicoLisp | (beep) |
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... | #PL.2FI | PL/I | declare bell character (1);
unspec (bell) = '00000111'b;
put edit (bell) (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... | #AWK | AWK |
# syntax: GAWK -f THE_TWELVE_DAYS_OF_CHRISTMAS.AWK
BEGIN {
gifts[++i] = "a partridge in a pear tree."
gifts[++i] = "two turtle doves, and"
gifts[++i] = "three french hens,"
gifts[++i] = "four calling birds,"
gifts[++i] = "five golden rings,"
gifts[++i] = "six geese a-laying,"
gifts[++i] = ... |
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... | #Scala | Scala | print("\033[?1049h\033[H")
println("Alternate buffer!")
for (i <- 5 to 0 by -1) {
println(s"Going back in: $i")
Thread.sleep(1000)
}
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... | #Sidef | Sidef | print "\e[?1049h\e[H";
say "Alternate buffer!";
3.downto(1).each { |i|
say "Going back in: #{i}";
Sys.sleep(1);
}
print "\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... | #Swift | Swift |
public let CSI = ESC+"[" // Control Sequence Introducer
func write(_ text: String...) {
for txt in text { write(STDOUT_FILENO, txt, txt.utf8.count) }
}
write(CSI,"?1049h") // open alternate screen
print("Alternate screen buffer\n")
for n in (1...5).reversed() {
print("Going back in \(n)...")
sleep(1)
}
wr... |
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... | #Tcl | Tcl | # A helper to make code more readable
proc terminal {args} {
exec /usr/bin/tput {*}$args >/dev/tty
}
# Save the screen with the "enter_ca_mode" capability, a.k.a. 'smcup'
terminal smcup
# Some indication to users what is happening...
puts "This is the top of a blank screen. Press Return/Enter to continue..."
gets... |
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.
| #Common_Lisp | Common Lisp |
(defun sh (cmd)
#+clisp (shell cmd)
#+ecl (si:system cmd)
#+sbcl (sb-ext:run-program "/bin/sh" (list "-c" cmd) :input nil :output *standard-output*)
#+clozure (ccl:run-program "/bin/sh" (list "-c" cmd) :input nil :output *standard-output*))
(defun show-cursor (x)
(if x (sh "tput cvvis") (sh "tput civis"))... |
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.
| #FunL | FunL | import time.*
import console.*
hide()
sleep( 2 Second )
show() |
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.
| #Furor | Furor |
cursoroff
|
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.
| #Go | Go | package main
import (
"os"
"os/exec"
"time"
)
func main() {
tput("civis") // hide
time.Sleep(3 * time.Second)
tput("cvvis") // show
time.Sleep(3 * time.Second)
}
func tput(arg string) error {
cmd := exec.Command("tput", arg)
cmd.Stdout = os.Stdout
return cmd.Run()
} |
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.
| #COBOL | COBOL | IDENTIFICATION DIVISION.
PROGRAM-ID. terminal-reverse-video.
PROCEDURE DIVISION.
DISPLAY "Reverse-Video" WITH REVERSE-VIDEO
DISPLAY "Normal"
GOBACK
. |
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.
| #Common_Lisp | Common Lisp | (defun reverse-attribute ()
(with-screen (scr :input-blocking t :input-echoing nil :cursor-visible nil)
(add-string scr "Reverse" :attributes '(:reverse))
(add-string scr " Normal" :attributes '())
(refresh scr)
(get-char scr))) |
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.
| #Forth | Forth | : Reverse #27 emit "[7m" type ;
: Normal #27 emit "[m" type ;
: test cr Reverse ." Reverse " cr Normal ." Normal " ;
test
|
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.
| #FunL | FunL | import console.*
println( "${REVERSED}This is reversed.$RESET This is normal." ) |
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.
| #Go | Go | package main
import (
"fmt"
"os"
"os/exec"
)
func main() {
tput("rev")
fmt.Print("Rosetta")
tput("sgr0")
fmt.Println(" Code")
}
func tput(arg string) error {
cmd := exec.Command("tput", arg)
cmd.Stdout = os.Stdout
return cmd.Run()
} |
http://rosettacode.org/wiki/Terminal_control/Dimensions | Terminal control/Dimensions | Determine the height and width of the terminal, and store this information into variables for subsequent use.
| #AArch64_Assembly | AArch64 Assembly |
/* ARM assembly AARCH64 Raspberry PI 3B */
/* program terminalSize64.s */
/*******************************************/
/* Constantes file */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstante... |
http://rosettacode.org/wiki/Terminal_control/Cursor_positioning | Terminal control/Cursor positioning |
Task
Move the cursor to column 3, row 6, and display the word "Hello" (without the quotes), so that the letter H is in column 3 on row 6.
| #AArch64_Assembly | AArch64 Assembly |
/* ARM assembly AARCH64 Raspberry PI 3B */
/* program cursorPos64.s */
/*******************************************/
/* Constantes file */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesAR... |
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... | #Arturo | Arturo | vals: @[true maybe false]
loop vals 'v -> print ["NOT" v "=>" not? v]
print ""
loop vals 'v1 [
loop vals 'v2
-> print [v1 "AND" v2 "=>" and? v1 v2]
]
print ""
loop vals 'v1 [
loop vals 'v2
-> print [v1 "OR" v2 "=>" or? v1 v2]
]
print ""
loop vals 'v1 [
loop vals 'v2
-> print [v1... |
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).
| #Befunge | Befunge | "| "+,@ |
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).
| #Bracmat | Bracmat | put$£ |
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).
| #C | C | #include <stdio.h>
int
main()
{
puts("£");
puts("\302\243"); /* if your terminal is utf-8 */
return 0;
} |
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... | #Batch_File | Batch File | @echo off
setlocal ENABLEDELAYEDEXPANSION
set maxrun= 0
set maxstart=
set maxend=
set notok=0
set inputfile=%1
for /F "tokens=1,*" %%i in (%inputfile%) do (
set date=%%i
call :processline %%j
)
echo\
echo max false: %maxrun% from %maxstart% until %maxend%
goto :EOF
:processline
set sum=0000
set count... |
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... | #Racket | Racket |
#lang racket
(require ffi/unsafe ffi/unsafe/define)
(define-ffi-definer defwin #f)
(defwin GetStdHandle (_fun _int -> _pointer))
(defwin ReadConsoleOutputCharacterA
(_fun _pointer _pointer _uint _uint [len : (_ptr o _uint)] -> _bool))
(define b (make-bytes 1 32))
(and (ReadConsoleOutputCharacterA (GetStdHandle -1... |
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... | #Raku | Raku | use NCurses;
# Reference:
# https://github.com/azawawi/perl6-ncurses
# Initialize curses window
my $win = initscr() or die "Failed to initialize ncurses\n";
# Print random text in a 10x10 grid
for ^10 { mvaddstr($_ , 0, (for ^10 {(41 .. 90).roll.chr}).join )};
# Read
my $icol = 3 - 1;
my $irow = 6 - 1;
my... |
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... | #Java | Java | import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.Random;
public class IsaacRandom extends Random {
private static final long serialVersionUID = 1L;
private final int[] randResult = new int[256]; // output of last generation
private int valuesUsed; ... |
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... | #jq | jq | def is_integral:
if type == "number" then . == floor
elif type == "array" then
length == 2 and .[1] == 0 and (.[0] | is_integral)
else type == "object"
and .type == "rational"
and .q != 0
and (.q | is_integral)
and ((.p / .q) | is_integral)
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... | #Julia | Julia | # v0.6.0
@show isinteger(25.000000)
@show isinteger(24.999999)
@show isinteger(25.000100)
@show isinteger(-2.1e120)
@show isinteger(-5e-2)
@show isinteger(NaN)
@show isinteger(Inf)
@show isinteger(complex(5.0, 0.0))
@show isinteger(complex(5, 5))
|
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 ... | #PARI.2FGP | PARI/GP | license()={
my(v=externstr("type mlijobs.txt"),u,cur,rec,t);
for(i=1,#v,
u=Vec(v[i]);
if(#u>9 && u[9] == "O",
if(cur++>rec,
rec=cur;
t=[v[i]]
,
if(cur == rec,t=concat(t,[v[i]]))
)
,
cur--
... |
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.
| #Haskell | Haskell | import Test.QuickCheck
isPalindrome :: String -> Bool
isPalindrome x = x == reverse x
{- There is no built-in definition of how to generate random characters;
here we just specify ASCII characters. Generating strings then automatically
follows from the definition of String as list of Char. -}
instance Arbitra... |
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.
| #Icon_and_Unicon | Icon and Unicon | procedure main()
s := "ablewasiereisawelba"
assert{"test1",palindrome(s)}
assertFailure{"test2",palindrome(s)}
s := "un"||s
assert{"test3",palindrome(s)}
assertFailure{"test4",palindrome(s)}
end
procedure palindrome(s)
return s == reverse(s)
end
procedure assert(A)
if not @A[2] then ... |
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... | #Tcl | Tcl | set data [lrange [split [read [open "readings.txt" "r"]] "\n"] 0 end-1]
set total [llength $data]
set correct $total
set datestamps {}
foreach line $data {
set formatOk true
set hasAllMeasurements true
set date [lindex $line 0]
if {[llength $line] != 49} { set formatOk false }
if {![regexp {\d{4... |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #PostScript | PostScript | (\007) print |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #PowerShell | PowerShell | "`a" |
http://rosettacode.org/wiki/Terminal_control/Ringing_the_terminal_bell | Terminal control/Ringing the terminal bell |
Task
Make the terminal running the program ring its "bell".
On modern terminal emulators, this may be done by playing some other sound which might or might not be configurable, or by flashing the title bar or inverting the colors of the screen, but was classically a physical bell within the terminal. It is usua... | #PureBasic | PureBasic | Print(#BEL$) |
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... | #Batch_File | Batch File | :: The Twelve Days of Christmas
:: Batch File Implementation
@echo off
::Pseudo-array for Days
set "day1=First"
set "day2=Second"
set "day3=Third"
set "day4=Fourth"
set "day5=Fifth"
set "day6=Sixth"
set "day7=Seventh"
set "day8=Eighth"
set "day9=Nineth"
set "day10=Tenth"
set "day11=Eleventh"
set "day12=Twelveth"
::... |
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... | #UNIX_Shell | UNIX Shell | #!/bin/sh
tput smcup # Save the display
echo 'Hello'
sleep 5 # Wait five seconds
tput rmcup # Restore the display |
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... | #Wren | Wren | import "io" for Stdout
import "timer" for Timer
System.write("\e[?1049h\e[H")
System.print("Alternate screen buffer")
for (i in 5..1) {
var s = (i != 1) ? "s" : ""
System.write("\rGoing back in %(i) second%(s)...")
Stdout.flush()
Timer.sleep(1000)
}
System.write("\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... | #XPL0 | XPL0 | include c:\cxpl\codes; \intrinsic 'code' declarations
proc SetPage(P); \Select active display page for video screen
int P;
int CpuReg;
[CpuReg:= GetReg; \access CPU registers
CpuReg(0):= $0500 + P; \call BIOS interrupt $10, function 5
SoftInt($10);
]; \SetPage
[SetPage(1); \enable page 1... |
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... | #Z80_Assembly | Z80 Assembly | org $3000
txt_output: equ $bb5a
scr_clear: equ $bc14
wait_char: equ $bb06
scr_get_loc: equ $bc0b
scr_set_off: equ $bc05
push bc
push de
push hl
push af
call scr_get_loc ; save this value just in case the
push hl ; original screen has been scrolled vertically
ld hl,$c000 ; copy screen ... |
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.
| #J | J | smoutput HIDECURSOR
usleep(4e6) NB. wait 4 seconds
smoutput SHOWCURSOR
|
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.
| #Julia | Julia | const ESC = "\u001B" # escape code
print("$ESC[?25l") # hide the cursor
print("Enter anything, press RETURN: ") # prompt shown
input = readline() # but no cursor
print("$ESC[0H$ESC[0J$ESC[?25h") # reset, visible again
sleep(3)
println()
|
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.
| #Kotlin | Kotlin | // version 1.1.2
fun main(args: Array<String>) {
print("\u001B[?25l") // hide cursor
Thread.sleep(2000) // wait 2 seconds before redisplaying cursor
print("\u001B[?25h") // display cursor
Thread.sleep(2000) // wait 2 more seconds before exiting
} |
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.
| #Lasso | Lasso | #!/usr/bin/lasso9
local(
esc = decode_base64('Gw==')
)
// hide the cursor
stdout(#esc + '[?25l')
// wait for 4 seconds to give time discover the cursor is gone
sleep(4000)
// show the cursor
stdout(#esc + '[?25h')
// wait for 4 seconds to give time discover the cursor is back
sleep(4000) |
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.
| #Locomotive_Basic | Locomotive Basic | 10 CURSOR 0: REM hide cursor
20 FOR l = 1 TO 2000: REM delay
30 NEXT l
40 CURSOR 1: REM show 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.
| #J | J |
;:';:,#.*."3,(C.A.)/\/&.:;:' NB. some output beforehand
attributes REVERSEVIDEO NB. does as it says
2 o.^:a:0 NB. solve the fixed point equation cos(x) == x
attributes OFF NB. no more blinky flashy
parseFrench=:;:,#.*."3,(C.A.)/\/&.:;: NB. just kidding! More outp... |
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.
| #Julia | Julia | using Crayons.Box
println(WHITE_FG, BLACK_BG, "Normal")
println(WHITE_BG, BLACK_FG, "Reversed")
println(WHITE_FG, BLACK_BG, "Normal")
|
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.
| #Kotlin | Kotlin | // version 1.1.2
fun main(args: Array<String>) {
println("\u001B[7mInverse\u001B[m Normal")
} |
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.
| #Lasso | Lasso | local(esc = decode_base64('Gw=='))
stdout( #esc + '[7m Reversed Video ' + #esc + '[0m Normal 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.
| #Mathematica.2FWolfram_Language | Mathematica/Wolfram Language | Run["tput mr"]
Run["echo foo"] (* is displayed in reverse mode *)
Run["tput me"]
Run["echo bar"] |
http://rosettacode.org/wiki/Terminal_control/Dimensions | Terminal control/Dimensions | Determine the height and width of the terminal, and store this information into variables for subsequent use.
| #Action.21 | Action! | PROC Main()
BYTE ROWCRS=$0054 ;Current cursor row
CARD COLCRS=$0055 ;Current cursor column
CARD width
BYTE height
Graphics(0)
Position(0,0) ;go to the top-left corner
Put(28) Put(30) ;go up and left - the bottom-right corner
width=COLCRS+1
height=ROWCRS+1
Position(2,1)
PrintF("Number of colums... |
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.