improved readabality

2024-03-05 23:29:55 +04:00
parent c9fd0aca3e
commit a06a05045e
7 changed files with 33 additions and 44 deletions
@@ -2,11 +2,13 @@

 SIZE=${1:-12}
 re='^[0-9]+$'
-if ! [[ $SIZE =~ $re ]] ;then
-	echo "error: SIZE=$SIZE Not a number" >&2; exit 1
+if ! [[ $SIZE =~ $re ]]; then
+	echo "error: SIZE=$SIZE Not a number" >&2
+	exit 1
 fi
 if [[ $SIZE -lt 4 || $SIZE -gt 20 ]]; then
-	echo "expected SIZE=$SIZE not in range [4..20]" >&2; exit 1
+	echo "expected SIZE=$SIZE not in range [4..20]" >&2
+	exit 1
 fi

-tr -cd '[:alnum:]' < /dev/urandom | fold -w $SIZE | head -n1
+tr -cd '[:alnum:]' </dev/urandom | fold -w "$SIZE" | head -n1