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A comment on Unix Wildcards Gone Wild. Parent comment
Looks like the convention was introduced as part of getopt in AT&T Unix System III (1980), though initially only in a handful of places. Then POSIX adopted it as standard for all utilities sometime later.
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Looks like the convention was introduced as part of getopt in AT&T Unix System III (1980), though initially only in a handful of places. Then POSIX adopted it as standard for all utilities sometime later.