From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 30 Jul 2008 20:35:22 +0000 (+0000)
Subject: functions.sh: add a function for removing an item from a list in a shell variable
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4d883da9bf1f33a49b7962c44ae2245714edabc7;p=openwrt%2Fstaging%2Frobimarko.git

functions.sh: add a function for removing an item from a list in a shell variable

SVN-Revision: 12024
---

diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
index af4eae23f5..f4af4a8573 100755
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -24,6 +24,20 @@ append() {
 	eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
 }
 
+list_remove() {
+	local var="$1"
+	local remove="$2"
+	local val
+
+	eval "val=\" \${$var} \""
+	val1="${val%% $remove *}"
+	[ "$val1" = "$val" ] && return
+	val2="${val##* $remove }"
+	[ "$val2" = "$val" ] && return
+	val="${val1## } ${val2%% }"
+	eval "export ${NO_EXPORT:+-n} -- \"$var=\$val\""
+}
+
 config_load() {
 	[ -n "$IPKG_INSTROOT" ] && return 0
 	uci_load "$@"