$ pip install dotbak
$ dotbak README.md
$ dotbak README.md
$ dotbak README.md
|$ ls -lah README.md*
-rw-r--r-- 1 user user 2.4K Sep 12 12:10 README.md
-rw-r--r-- 1 user user 2.4K Sep 12 12:56 README.md.bak-2021-09-30-17:23:45
-rw-r--r-- 1 user user 2.4K Sep 12 12:56 README.md.bak-2021-09-30-17:23:57
-rw-r--r-- 1 user user 2.4K Sep 12 12:56 README.md.bak-2021-09-30-17:24:14
dotBAK is Open Source and is distributed under the BSD License (three clause). Please see the LICENSE file included with this software.