Small performance tweak -- replace a call to expr.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42941 a95241bf-73f2-0310-859d-f6bbb57e9c96
2011-10-29 01:58:39 +00:00 · 2011-10-29 01:58:39 +00:00 · e2932f63b0
commit e2932f63b0
parent 6db5b8c639
1 changed files with 1 additions and 1 deletions
--- a/data/bin/installoptionalpackage
+++ b/data/bin/installoptionalpackage
@ -339,7 +339,7 @@ function ContainsSubstring()
 	local string="$1"
 	local substring="$2"
 	local newString=${string/${substring}/''}
-	if [ ${#string} -eq `expr ${#newString} + ${#substring}` ] ; then
+	if [ ${#string} -eq $((${#newString} + ${#substring})) ] ; then
 		return 0
 	fi
 	return 1