X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=.bin%2Fbash-colors;h=ed61f8b3e131f81c2c8bae4b881d5a1c62b1579d;hb=847136a30dbf711fc2ccab762fb294218c8004ea;hp=04c637682d3dd7f191f5003cf925a232f09d7b1d;hpb=b73f07c77bd3c6846db6337ed67a36c531df97fe;p=home.git

diff --git a/.bin/bash-colors b/.bin/bash-colors
index 04c6376..ed61f8b 100755
--- a/.bin/bash-colors
+++ b/.bin/bash-colors
@@ -1,24 +1,115 @@
 #!/bin/bash
+# Author: Mike Frysinger <vapier@gmail.com>; released into the public domain; suck it.
 
-if [[ $1 == "--env" ]] ; then
-	colors=(
-		GOOD="\$'\e[32;01m'"
-		WARN="\$'\e[33;01m'"
-		BAD="\$'\e[31;01m'"
-		HILITE="\$'\e[36;01m'"
-		BRACKET="\$'\e[34;0m'"
-		NORMAL="\$'\e[0m'"
+# This is for bash.
+BASH_PREFIX="\e"
+# And this is the portable one.
+POSIX_PREFIX="\033"
+# Default to bash.
+PREFIX=${BASH_PREFIX}
+
+show_env() {
+	local c colors=(
+		GOOD="\$'${PREFIX}[32;01m'"
+		WARN="\$'${PREFIX}[33;01m'"
+		BAD="\$'${PREFIX}[31;01m'"
+		HILITE="\$'${PREFIX}[36;01m'"
+		BRACKET="\$'${PREFIX}[34;01m'"
+		NORMAL="\$'${PREFIX}[0m'"
 	)
 	for c in "${colors[@]}" ; do
 		[[ -t 0 ]] || c="${c%=*}="
 		echo "${c}"
 	done
+}
 
-	exit 0
-fi
+check256() {
+	if [[ ${TERM} != *-256color ]] ; then
+		(
+		echo "warning: TERM (${TERM}) does not end in '-256color';"
+		echo "warning: trying to use 256 colors might not work."
+		) >&2
+	fi
+}
 
-for i in {0..1} ; do
-	for j in {30..37} ; do
-		echo -e '\e['"${i};${j}mthis color is: \\\\e[${i};${j}m"
-	done
-done
+showit() {
+	local col="${PREFIX}[${1};${2}m"
+	printf '%bthis color is: %s   %b\n' "${col}" "${col}" "${PREFIX}[0m"
+}
+
+main() {
+	if [[ $1 == "--posix" ]] ; then
+		PREFIX=${POSIX_PREFIX}
+		shift
+	fi
+	case $1 in
+	--env)
+		show_env
+		;;
+	""|16|system)
+		for i in {0..1} ; do
+			for j in {30..37} ; do
+				showit ${i} ${j}
+			done
+		done
+		;;
+	cube|6x6x6)
+		check256
+		for n in {16..231} ; do
+			showit "38;05" $(printf '%03i' ${n})
+		done
+		;;
+	gr[ae]y)
+		check256
+		for n in {232..255} ; do
+			showit "38;05" ${n}
+		done
+		;;
+	all|256)
+		for x in system cube gray ; do
+			echo "### SET: ${x}"
+			"$0" ${x}
+		done
+		;;
+	ncurses|curses|mutt|nano)
+		colors=(
+			black
+			red
+			green
+			yellow
+			blue
+			magenta
+			cyan
+			white
+		)
+		norm=$(tput sgr0)
+		bold=$(tput bold)
+		blackfg=$(tput setaf 0)
+		for seta in "af" "ab" ; do
+			[[ ${seta} == "af" ]] && ground=fore || ground=back
+			for pfx in "" "bright" ; do
+				for (( i = 0; i < ${#colors[@]}; ++i )) ; do
+					[[ ${pfx} == "bright" ]] && printf "${bold}"
+					[[ ${seta} == "ab" ]] && printf "${blackfg}"
+					echo "$(tput set${seta} ${i})this is ${ground}ground color '${pfx}${colors[i]}'${norm}"
+				done
+			done
+		done
+		;;
+	*)
+		cat <<-EOF
+			usage: $0 [--posix] [colors]
+
+			Colors:
+			 - --env        - show env you can eval in a shell
+			 - 16, system   - show basic colors (default)
+			 - cube, 6x6x6  - show most extended colors
+			 - gray         - show gray scale
+			 - all, 256     - show all colors
+			 - curses       - show ncurses color names (used by mutt, nano, etc...)
+		EOF
+		exit 1
+		;;
+	esac
+}
+main "$@"