From 0a09475342b6615d02ce0c31ef7b1feda5cf7f30 Mon Sep 17 00:00:00 2001
From: jan <jan@schwerkraftlabor.de>
Date: Tue, 1 Feb 2022 16:18:19 +0100
Subject: [PATCH] Cancel script if input file could not be found

---
 vithumbs.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/vithumbs.sh b/vithumbs.sh
index 470e4ee..5ea17f9 100755
--- a/vithumbs.sh
+++ b/vithumbs.sh
@@ -7,6 +7,12 @@ fi
 
 # Input variables
 INPUT=$1
+
+if [ ! -f "$INPUT" ]; then
+	echo "File not found."
+	exit 1
+fi
+
 COLS=$2
 if [ -z "$COLS" ]; then
 	COLS=5