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getopt() but smaller | Hacker News Reader

getopt() but smaller

dotat.at

7 points·fanf2··2 comments

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I like NetBSD sh's nextopt <https://github.com/NetBSD/src/blob/23fcbd850aae17ef0843523f3...>. Since getopt's internal state can't be reset portably, most shells roll their own option parser.

Plan 9’s ARG(2) [0] macros are worth a look too. No dependencies at all, just plain macros, super lightweight and easy to use.

[0] https://9fans.github.io/plan9port/man/man3/arg.html

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