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lang-bash
getoptsor similar (e.g./usr/bin/getoptfrom theutil-linuxpackage if you want to support --long options as well as short).getoptin scripts. It's not even part ofbash, so it introduces an external dependency. Super un-portable. @casutil-linux, versions ofgetoptare known to be buggy and unsafe to use.getoptfromutil-linuxis available for and/or can be compiled for other unixes. if you want/need --long options in shell scripts, it's really the only choice available. BTW, even SC'sgetopts_longshell function usesperland theGetopt::Longperl module, which are also external dependencies.