libremessages:flag: Avoid doing a loop over each line

1 files changed, 5 insertions, 5 deletions

diff --git a/src/lib/libremessages b/src/lib/libremessages
index 78f9107..e7dd885 100755
--- a/src/lib/libremessages
+++ b/src/lib/libremessages
@@ -122,14 +122,14 @@ flag() {
 	while [[ $indent -le ${#flag} ]]; do
 		indent=$((indent+8))
 	done
+	local fmt2 fmt1
+	fmt2="  %-${indent}s %s\n"
+	printf -v fmt1 "  %-${indent}s %%s\n" ''
 
 	local lines
 	IFS=$'\n' lines=($(fmt -u -w $((72-indent)) <<<"$desc"))
-	local line
-	for line in "${lines[@]}"; do
-		printf "  %-${indent}s %s\n" "$flag" "$line"
-		flag=''
-	done
+	printf -- "$fmt2" "$flag" "${lines[0]}"
+	[[ ${#lines[@]} -lt 2 ]] || printf -- "$fmt1" "${lines[@]:1}"
 }
 
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