From 4463de1382f2dfca2bd88815106c3defd65e477b Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Wed, 29 Mar 2017 00:17:58 +0200
Subject: [PATCH] Add description to required_icons.sh script

---
 scripts/required_icons.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/required_icons.sh b/scripts/required_icons.sh
index a60861b..f88c06d 100755
--- a/scripts/required_icons.sh
+++ b/scripts/required_icons.sh
@@ -1,4 +1,10 @@
 #!/bin/bash
+if [[ ! $@ ]]; then
+    echo 'Prints the list of icons required by the projects in the specified directories.'
+    echo 'However, no project directories have been specified.'
+    exit -1
+fi
+
 declare -A icon_names
 
 # iterate over specified source directories