configure: add cleanws() function

This function removes leading and trailing spaces and collapses multiple spaces into one. Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit bb7a22b584)
2024-11-28 05:30:34 +00:00 · 2011-02-13 13:06:53 +00:00 · 2011-02-13 13:06:53 +00:00 · 8429368d22
commit 8429368d22
parent 11ab1e409f
1 changed files with 4 additions and 0 deletions
--- a/4
+++ b/4
@ -313,6 +313,10 @@ sh_quote(){
    echo "$v"
 }

+cleanws(){
+    echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
+}
+
 filter(){
    pat=$1
    shift