Bugfix: Unbound variable when no parameters are supplied

[nextcloud-backup-restore.git] / NextcloudBackup.sh

diff --git a/NextcloudBackup.sh b/NextcloudBackup.sh
index f719087bcf9fe0b0e4b5e9c0d9a374b98179a215..8d8149c7f4b203fccf2100f80b80db0e7ecba751 100644 (file)
--- a/NextcloudBackup.sh
+++ b/NextcloudBackup.sh
@@ -3,7 +3,7 @@
 #
 # Bash script for creating backups of Nextcloud.
 #
-# Version 2.3.0
+# Version 2.3.1
 #
 # Requirements:
 #      - pigz (https://zlib.net/pigz/) for using backup compression. If not available, you can use another compression algorithm (e.g. gzip)
@@ -29,7 +29,7 @@
 set -Eeuo pipefail
 
 # Variables
-backupMainDir=$1
+backupMainDir=${1:-} 
 
 if [ -z "$backupMainDir" ]; then
        # TODO: The directory where you store the Nextcloud backups (when not specified by args)