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List:       nano-devel
Subject:    Re: [Nano-devel] some build stuff
From:       Mike Frysinger <vapier () gentoo ! org>
Date:       2014-06-19 21:42:12
Message-ID: 3305430.cg4rgexA7r () vapier
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On Wed 18 Jun 2014 17:23:33 Eitan Adler wrote:
> On 18 June 2014 17:19, Mike Frysinger <vapier@gentoo.org> wrote:
> > On Tue 17 Jun 2014 21:54:32 Benno Schulenberg wrote:
> >> On Mon, Jun 16, 2014, at 19:59, Eitan Adler wrote:
> >> > (b) -i requires an argument
> >> 
> >> Huh?  For GNU sed, an argument for -i is optional.
> >> You mean that for some implementations it might
> >> be required?  I would rather think that -i is not
> >> POSIX and some seds might lack it.
> > 
> > -i is not in POSIX.  some implementations (like the BSD) decided to make
> > the argument to -i required
> 
> POSIX requires flag parsing work like this.

no, it doesn't.

http://pubs.opengroup.org/onlinepubs/9699919799/utilities/sed.html
"The sed utility shall conform to XBD Utility Syntax Guidelines ..."

http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap12.html#tag_12_02
"Guideline 7: Option-arguments should not be optional."

"should" is not a requirement, is a recommendation.  further, getopt is 
described as a helper function that may be used to make people's lives easier, 
but is not required.

> >  (which is stupid, but so are a lot of BSD utils).
> 
> lets not get into a pissing match here about which utilities are
> better/worse.

it's not a pissing match when one is provably better
-mike
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