Raised copyright years

[t.git] / t

diff --git a/t b/t
index a1fcfc5ecf353914de6403b5f34dd897180a60c1..3c23a9eb3d8f8761a4efe6e71420e9f593f9acdc 100755 (executable)
--- a/t
+++ b/t
@@ -1,6 +1,6 @@
 #!/usr/bin/env zsh
 # t -- simple notes manager
-# Copyright (C) 2013-2021 Sergey Matveev <stargrave@stargrave.org>
+# Copyright (C) 2013-2022 Sergey Matveev <stargrave@stargrave.org>
 # Current version is written on zsh. Previous was on POSIX shell.
 #
 # Usage:
@@ -36,6 +36,7 @@ purge() {
 }
 
 get_note() {
+    [[ "$1" = [0-9]* ]] || { print invalid note id ; exit 1 }
     NOTE=($NOTES_DIR/*(.on[$(( $1 + 1 ))]))
     [[ ${#NOTE} -eq 0 ]] && { print note not found >&2 ; exit 1 }
     NOTE=${NOTE[1]}