GNU programs are not a reference. They must have usage(), and handle --help and ... | Hacker News

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		glandium on Oct 4, 2016 \| parent \| context \| favorite \| on: Show HN: Lightweight time-management CLI tool GNU programs are not a reference. They must have usage(), and handle --help and --version. Even /bin/true. `coreutils-8.25$ wc -l src/true.c 80 src/true.c`

liviu- on Oct 4, 2016 [–]

Ding has `--version`, and a help message too :P

To be honest, a big chunk of it is just handling user input and attempting to provide useful error messages.

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