| 256 | 1 #!/usr/bin/env bash | 
|  | 2 # | 
|  | 3 #   This file echoes a bunch of color codes to the | 
|  | 4 #   terminal to demonstrate what's available.  Each | 
|  | 5 #   line is the color code of one forground color, | 
|  | 6 #   out of 17 (default + 16 escapes), followed by a | 
|  | 7 #   test use of that color on all nine background | 
|  | 8 #   colors (default + 8 escapes). | 
|  | 9 # | 
|  | 10 | 
|  | 11 T='gYw'   # The test text | 
|  | 12 | 
|  | 13 echo -e "\n                 40m     41m     42m     43m\ | 
|  | 14      44m     45m     46m     47m"; | 
|  | 15 | 
|  | 16 for FGs in '    m' '   1m' '  30m' '1;30m' '  31m' '1;31m' '  32m' \ | 
|  | 17            '1;32m' '  33m' '1;33m' '  34m' '1;34m' '  35m' '1;35m' \ | 
|  | 18            '  36m' '1;36m' '  37m' '1;37m'; | 
|  | 19   do FG=${FGs// /} | 
|  | 20   echo -en " $FGs \033[$FG  $T  " | 
|  | 21   for BG in 40m 41m 42m 43m 44m 45m 46m 47m; | 
|  | 22     do echo -en "$EINS \033[$FG\033[$BG  $T  \033[0m"; | 
|  | 23   done | 
|  | 24   echo; | 
|  | 25 done | 
|  | 26 echo |