On September 30, 2016 5:16:57 PM GMT+02:00, Otto Moerbeek <o...@drijf.net> wrote: >On Fri, Sep 30, 2016 at 04:47:33PM +0200, Paul de Weerd wrote: > >> On Fri, Sep 30, 2016 at 04:40:16PM +0200, Jan Stary wrote: >> | echo.c says >> | >> | /* This utility may NOT do getopt(3) option parsing. */ >> | >> | Why is that, for echo(1) specifically? >> | Other binaries in /bin seem to use getopt(3) freely. >> >> Because echo should echo all arguments, including those that would >> otherwise be parsed by getopt(3), except for '-n'. > >To be more specific: -- > >See also http://pubs.opengroup.org/onlinepubs/9699919799/
Direct link to the pretty useless "definition", leaving lots of room for various implementations, all fulfilling the specs. http://pubs.opengroup.org/onlinepubs/9699919799/utilities/echo.html /Alexander > > -Otto
