bash/ansi-codes

   1 #!/bin/bash
   2
   3 # set up variables in the shell global namespace
   4 # starting with ANSI_ and covering common ANSI escape sequences, including color codes.
   5
   6 for ansi_code_def in \
   7   reset=0 bold=1 faint=2 italic=3 underline=4 \
   8   blink_slow=5 blink_rapid=6 inverse=7 conceal=8 crossed=9 \
   9   normal=22 nobold=22 nofaint=22 \
  10   noitalic=23 nounderline=24 noblink=25 noinverse=27 noconceal=28 nocrossed=29 \
  11   fg_black=30 fg_red=31 fg_green=32 fg_yellow=33 fg_blue=34 fg_magenta=35 fg_cyan=36 fg_white=37 \
  12   fg_default=38 \
  13   bg_black=40 bg_red=41 bg_green=42 bg_yellow=44 bg_blue=44 bg_magenta=45 bg_cyan=46 bg_white=47 \
  14   bg_default=48 \
  15   framed=51 encircled=52 overlined=53 \
  16   noframed=54 noencircled=54 nooverlined=55 \
  17   notframed=54 notencircled=54 notoverlined=55 \
  18   fg_bright_black=90  fg_bright_red=91  fg_bright_green=92  fg_bright_yellow=93  fg_bright_blue=94  fg_bright_magenta=95  fg_bright_cyan=96  fg_bright_white=97 \
  19   bg_bright_black=100 bg_bright_red=101 bg_bright_green=102 bg_bright_yellow=103 bg_bright_blue=104 bg_bright_magenta=105 bg_bright_cyan=106 bg_bright_white=107
  20 do
  21         declare ANSI_${ansi_code_def%=*}=$'\033'"[${ansi_code_def#*=}m"
  22 done
  23 unset ansi_code_def