On Nov 15 18:26:16, schwa...@usta.de wrote: > > Implementing the -h or --help option mostly becomes calling usage(), > > Not usually. > > The usage() output ideally corresponds to the synopsis: > > $ man -h groff > groff [-abcegijklpstzCEGNRSUVXZ] [-d cs] [-D arg] [-f fam] [-F dir] > [-I dir] [-K arg] [-L arg] [-m name] [-M dir] [-n num] [-o list] > [-P arg] [-r cn] [-T dev] [-w name] [-W name] [file ...] > groff -h > groff --help
I don't mean groff specifically here, I mean generally: calling --help, in the software I see in the wild, most often means "call usage() and exit", and the actual printf() in usage() tend to lack behind.
