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Re: Add sleep builtin

From: konsolebox
Subject: Re: Add sleep builtin
Date: Tue, 21 Aug 2018 19:34:02 +0800

On Tue, Aug 21, 2018 at 4:23 PM Ilkka Virta <address@hidden> wrote:
> On 21.8. 02:35, Chet Ramey wrote:
> > I don't think there's a problem with a `syntax conflict' as long as any
> > builtin sleep accepts a superset of the POSIX options for sleep(1).
> The sleep in GNU coreutils accepts suffixes indicating minutes, hours
> and days (e.g.  sleep 1.5m  or  sleep 1m 30s  for 90 seconds). I didn't
> see support for those in konsolebox's patch, so while that's not
> conflicting syntax per se, the lack of that option might trip someone.

That was intended, and this patch is basically just a copy of the
loadable version.  I don't really find it necessary to make the builtin
sleep a complete copy of the external one.  The code would significantly
increase if we add a parser for those formats.  Also it's basically
people's fault for not reading documentation.  One should be aware
enough if they enable the builtin.  Mksh's sleep also does the same.

Anyway I respect whatever Chet decides it to become.


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