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Re: getopts missing with latest cygwin
- To: cygwin at sources dot redhat dot com
- Subject: Re: getopts missing with latest cygwin
- From: Chris Faylor <cgf at cygnus dot com>
- Date: Tue, 10 Oct 2000 16:29:48 -0400
- References: <1001010201259.AA89692.SM@nike.ins.cwru.edu>
- Reply-To: cygwin at sources dot redhat dot com
On Tue, Oct 10, 2000 at 04:12:59PM -0400, Chet Ramey wrote:
>> >No, it can't. A separate program cannot propagate the changes to
>> >$OPTIND and $OPTARG back to the parent shell.
>>
>> Btw, I based my assertion that it can be used as a separate program on this:
>>
>> % ls -l /usr/bin/getopts
>> -rwxr-xr-x 1 bin bin 1518 Jul 25 1995 /usr/bin/getopts
>>
>> I have no idea how it actually is used with sh on this system, though.
>
>It's not. It simply exists to satisfy a POSIX.2 requirement. It need
>not be (and is not) useful.
It's not completely useless, though. It does seem to parse command line
arguments:
% /usr/bin/getopts "a:" foo -a
/usr/bin/getopts[7]: getopts: a argument expected
It obviously can't place them in the current environment, though.
cgf
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