From: "David Leimbach" <leimy2k@gmail.com>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@9fans.net>
Subject: Re: [9fans] test command
Date: Wed, 10 Sep 2008 08:21:46 -0700 [thread overview]
Message-ID: <3e1162e60809100821h158e55fdo89c3c7f61099bd13@mail.gmail.com> (raw)
In-Reply-To: <13426df10809100638s4680e934gca40c7cffcdfae4b@mail.gmail.com>
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On Wed, Sep 10, 2008 at 6:38 AM, ron minnich <rminnich@gmail.com> wrote:
> On Wed, Sep 10, 2008 at 3:19 AM, Kenji Arisawa <arisawa@ar.aichi-u.ac.jp>
> wrote:
> > Hello,
> >
> > "test" command of plan 9 has a operator "older", the usage is:
> > test f -older t
> > where f is a file and t is a time.
> > however the command does not have "newer" operator.
> > why?
> >
>
> If a < b, and you want to know if b > a, can't you just do a < b?
>
> ron
>
>
Yeah with < and ! you can build anything you want :-)
Hence why many C++ STL comparisons just require you to make a functor for
less.
Dave
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next prev parent reply other threads:[~2008-09-10 15:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-10 10:19 Kenji Arisawa
2008-09-10 13:38 ` ron minnich
2008-09-10 14:16 ` Rodolfo kix García
2008-09-10 15:21 ` David Leimbach [this message]
2008-09-10 15:27 ` Juan Céspedes
2008-09-10 16:15 ` Gorka Guardiola
2008-09-11 0:23 ` Kenji Arisawa
2008-09-11 0:36 erik quanstrom
2008-09-11 2:38 ` Russ Cox
2008-09-11 13:51 ` Kenji Arisawa
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