diff --git a/lib/util/random.sh b/lib/util/random.sh
new file mode 100644
index 0000000..bb8f715
--- /dev/null
+++ b/lib/util/random.sh
@@ -0,0 +1,9 @@
+gen_random() {
+    MINRND=$1;
+    MAXRND=$2;
+    RANGE=$(($MAXRND-$MINRND+1));
+    RNDRESULT=$RANDOM;
+    let "RNDRESULT %= $RANGE";
+    RNDRESULT=$(($RNDRESULT+$MINRND));
+    return $RNDRESULT
+}
\ No newline at end of file