add note about license

[small-misc-bash] / isdiff

diff --git a/isdiff b/isdiff
index cb6f85f9414f450ac70e6fbc0bdf107198e71ff4..6b8a5fca46e5632364905423ff7fcb7648e9cead 100755 (executable)
--- a/isdiff
+++ b/isdiff
@@ -1,5 +1,12 @@
 #!/bin/bash
-# Copyright (C) 2014 Ian Kelling
+# I, Ian Kelling, follow the GNU license recommendations at
+# https://www.gnu.org/licenses/license-recommendations.en.html. They
+# recommend that small programs, < 300 lines, be licensed under the
+# Apache License 2.0. This file contains or is part of one or more small
+# programs. If a small program grows beyond 300 lines, I plan to switch
+# its license to GPL.
+
+# Copyright 2024 Ian Kelling
 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,6 +20,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+
 isdiff() {
     local help="Usage: isdiff [--help|-h] [-v] [-x] FILE1 FILE2
 Test if FILE1 and FILE2 have the same contents