| # readable.awk --- library file to skip over unreadable files | |
| # | |
| # Arnold Robbins, arnold@skeeve.com, Public Domain | |
| # October 2000 | |
| # December 2010 | |
| BEGIN { | |
| for (i = 1; i < ARGC; i++) { | |
| if (ARGV[i] ~ /^[a-zA-Z_][a-zA-Z0-9_]*=.*/ \ | |
| || ARGV[i] == "-" || ARGV[i] == "/dev/stdin") | |
| continue # assignment or standard input | |
| else if ((getline junk < ARGV[i]) < 0) # unreadable | |
| delete ARGV[i] | |
| else | |
| close(ARGV[i]) | |
| } | |
| } | |