From: Mike Frysinger <vapier@gentoo.org>
Date: Mon, 18 May 2015 10:41:45 +0000 (+0800)
Subject: bash-colors: add portable version
X-Git-Url: https://git.wh0rd.org/?a=commitdiff_plain;h=3b6c49d6bd34c79e2c7ce9a05a2426867a2c61b3;p=home.git

bash-colors: add portable version
---

diff --git a/.bin/bash-colors b/.bin/bash-colors
index a2bdff8..ed61f8b 100755
--- a/.bin/bash-colors
+++ b/.bin/bash-colors
@@ -1,14 +1,21 @@
 #!/bin/bash
 # Author: Mike Frysinger <vapier@gmail.com>; released into the public domain; suck it.
 
+# This is for bash.
+BASH_PREFIX="\e"
+# And this is the portable one.
+POSIX_PREFIX="\033"
+# Default to bash.
+PREFIX=${BASH_PREFIX}
+
 show_env() {
 	local c colors=(
-		GOOD="\$'\e[32;01m'"
-		WARN="\$'\e[33;01m'"
-		BAD="\$'\e[31;01m'"
-		HILITE="\$'\e[36;01m'"
-		BRACKET="\$'\e[34;01m'"
-		NORMAL="\$'\e[0m'"
+		GOOD="\$'${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%=*}="
@@ -26,10 +33,15 @@ check256() {
 }
 
 showit() {
-	echo -e '\e['"${1};${2}mthis color is: \\\\e[${1};${2}m    \e[0m"
+	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
@@ -86,7 +98,7 @@ main() {
 		;;
 	*)
 		cat <<-EOF
-			usage: $0 [colors]
+			usage: $0 [--posix] [colors]
 
 			Colors:
 			 - --env        - show env you can eval in a shell