File: gbmawk.sh
   1 #!/bin/sh
   2 
   3 # The MIT License (MIT)
   4 #
   5 # Copyright © 2020-2025 pacman64
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a copy
   8 # of this software and associated documentation files (the “Software”), to deal
   9 # in the Software without restriction, including without limitation the rights
  10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 # copies of the Software, and to permit persons to whom the Software is
  12 # furnished to do so, subject to the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be included in
  15 # all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 # SOFTWARE.
  24 
  25 
  26 # gbmawk [good condition...] [bad condition...] [meh condition...]
  27 #
  28 # Good, Bad, Meh colors lines using up to 3 AWK conditions, keeping all other
  29 # input lines verbatim.
  30 
  31 
  32 # handle leading options
  33 # case "$1" in
  34 #     -h|--h|-help|--help)
  35 #         awk '/^# +gbmawk /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
  36 #         exit 0
  37 #     ;;
  38 # esac
  39 
  40 good="${1:-0}"
  41 bad="${2:-0}"
  42 meh="${3:-0}"
  43 
  44 [ $# -gt 0 ] && shift
  45 [ $# -gt 0 ] && shift
  46 [ $# -gt 0 ] && shift
  47 
  48 awk '
  49 { low = lower = tolower($0) }
  50 
  51 '"${good}"' {
  52     # code to use a color-blind-friendlier blue, instead of green
  53     # gsub(/\x1b\[0m/, "\x1b[0m\x1b[38;2;0;95;215m")
  54     # printf "\x1b[38;2;0;95;215m%s\x1b[0m\n", $0
  55     gsub(/\x1b\[0m/, "\x1b[0m\x1b[38;2;0;135;95m")
  56     printf "\x1b[38;2;0;135;95m%s\x1b[0m\n", $0; fflush()
  57     next
  58 }
  59 
  60 '"${bad}"' {
  61     gsub(/\x1b\[0m/, "\x1b[0m\x1b[38;2;204;0;0m")
  62     printf "\x1b[38;2;204;0;0m%s\x1b[0m\n", $0; fflush()
  63     next
  64 }
  65 
  66 '"${meh}"' {
  67     gsub(/\x1b\[0m/, "\x1b[0m\x1b[38;2;168;168;168m")
  68     printf "\x1b[38;2;168;168;168m%s\x1b[0m\n", $0; fflush()
  69     next
  70 }
  71 
  72 { print; fflush() }
  73 ' "$@"