added generate-random.sh

Author: br-cpvc

generate-random.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+set -e
+
+LENGTH=25
+if [ ! -z "$1" ] && [ $1 -gt 1 ]; then
+	  LENGTH=$1
+fi
+
+# inspired by https://www.baeldung.com/linux/generate-random-string-using-random
+cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $LENGT | head -n 1