It take a file, queue-day.txt,
add the task on top of it
then print the file.
Install clojure, see https://clojure.org/guides/getting_started
Install Leiningen, see https://leiningen.org/
cat queue-day.txt
# nothing
$ lein run do this now
2019-06-28 14:59:10 | do this now
$ lein run another task
2019-06-28 14:59:16 | another task
2019-06-28 14:59:10 | do this now
$ lein run answer to Brian
2019-06-28 14:59:25 | answer to Brian
2019-06-28 14:59:16 | another task
2019-06-28 14:59:10 | do this now
cat queue-day.txt
2019-06-28 14:59:25 | answer to Brian
2019-06-28 14:59:16 | another task
2019-06-28 14:59:10 | do this now
MIT