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Parse optional verbose/version flags with shorthands
getopt
Parse command line arguments.
More information: <https://www.gnu.org/software/libc/manual/html_node/Getopt.html>.
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tl;dr; <
https://github.com/tldr-pages/tldr
>
getopt --options vV --longoptions verbose,version -- --version --verbose
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getopt
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