clipdel: Give more helpful message if we didn't provide a pattern

2018-04-22 10:17:49 +01:00 · 2018-04-22 10:17:49 +01:00 · 7f06b56775
parent 8388a00ab3
commit 7f06b56775
1 changed files with 5 additions and 0 deletions
--- a/5
+++ b/5
@ -44,6 +44,11 @@ fi
 raw_pattern=${@: -1}
 esc_pattern=${raw_pattern/\#/'\#'}

+if ! [[ $raw_pattern ]]; then
+    printf '%s\n' 'No pattern provided, see --help' >&2
+    exit 2
+fi
+
 exec {lock_fd}> "$lock_file"

 if (( CM_REAL_DELETE )) && [[ "$raw_pattern" == ".*" ]]; then