diff options
Diffstat (limited to 'test/tput-colorcube')
| -rwxr-xr-x | test/tput-colorcube | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/test/tput-colorcube b/test/tput-colorcube index 67a4997a6392..493f3825f0b7 100755 --- a/test/tput-colorcube +++ b/test/tput-colorcube @@ -1,6 +1,6 @@ #!/bin/sh ############################################################################## -# Copyright 2020 Thomas E. Dickey # +# Copyright 2020,2025 Thomas E. Dickey # # Copyright 2016 Free Software Foundation, Inc. # # # # Permission is hereby granted, free of charge, to any person obtaining a # @@ -27,12 +27,12 @@ # use or other dealings in this Software without prior written # # authorization. # ############################################################################## -# $Id: tput-colorcube,v 1.2 2020/02/02 23:34:34 tom Exp $ +# $Id: tput-colorcube,v 1.3 2025/06/14 14:45:23 tom Exp $ # Use this script to print an xterm-style color cube, e.g., as done in # the xterm 88colors2.pl and 256colors2.pl scripts. failed() { - printf "?? $*\n" >&2 + printf "?? %s\n" "$1" >&2 exit 1 } @@ -51,13 +51,13 @@ else failed "expected one parameter or none" fi -colors=$(tput -T $myterm colors 2>/dev/null) -if [ ${colors:-0} -le 0 ] +colors=$(tput -T "$myterm" colors 2>/dev/null) +if [ "${colors:-0}" -le 0 ] then myterm=${myterm%%-color} - colors=$(tput -T $myterm colors 2>/dev/null) + colors=$(tput -T "$myterm" colors 2>/dev/null) fi -if [ ${colors:-0} -le 0 ] +if [ "${colors:-0}" -le 0 ] then failed "terminal $myterm does not support color" fi @@ -67,25 +67,25 @@ printf "System colors:\n" color=0 inrow=$colors to_do=$colors -[ $colors -gt 256 ] && colors=256 -[ $inrow -gt 8 ] && inrow=8 -[ $to_do -gt 16 ] && to_do=16 -while [ $color -lt $to_do ] +[ "$colors" -gt 256 ] && colors=256 +[ "$inrow" -gt 8 ] && inrow=8 +[ "$to_do" -gt 16 ] && to_do=16 +while [ "$color" -lt "$to_do" ] do - [ $color = $inrow ] && newline - tput setab $color + [ "$color" = "$inrow" ] && newline + tput setab "$color" printf ' ' - color=$(expr $color + 1) + color=$(expr "$color" + 1) done newline -[ $colors -le 16 ] && exit +[ "$colors" -le 16 ] && exit -if [ $colors = 256 ] +if [ "$colors" = 256 ] then cube=6 ramp=232 -elif [ $colors -ge 88 ] +elif [ "$colors" -ge 88 ] then cube=4 ramp=80 @@ -94,38 +94,38 @@ else fi printf "\n" -printf "Color cube, ${cube}x${cube}x${cube}:\n" +printf "Color cube, %dx%dx%d:\n" $cube $cube $cube g=0 cube2=$(expr $cube \* $cube) -while [ $g -lt $cube ] +while [ "$g" -lt "$cube" ] do r=0 - while [ $r -lt $cube ] + while [ "$r" -lt "$cube" ] do b=0 - while [ $b -lt $cube ] + while [ "$b" -lt "$cube" ] do - color=$(expr 16 + \( $r \* $cube2 \) + \( $g \* $cube \) + $b) - tput setab $color + color=$(expr 16 + \( "$r" \* "$cube2" \) + \( "$g" \* "$cube" \) + "$b") + tput setab "$color" printf ' ' - b=$(expr $b + 1) + b=$(expr "$b" + 1) done tput op printf ' ' - r=$(expr $r + 1) + r=$(expr "$r" + 1) done newline - g=$(expr $g + 1) + g=$(expr "$g" + 1) done printf "\n" printf "Grayscale ramp:\n" color=$ramp -while [ $color -lt $colors ] +while [ "$color" -lt "$colors" ] do - tput setab $color + tput setab "$color" printf ' ' - color=$(expr $color + 1) + color=$(expr "$color" + 1) done newline # vi:ts=4 sw=4 |