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Message-ID: <7573e9640601181346q37bcecf4t1015344bea79a897@mail.gmail.com>
Date: Wed, 18 Jan 2006 14:46:02 -0700
From: Richard Fish <bigfish@asmallpond.org>
Sender: richard.j.fish@gmail.com
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] emerge --sync vs emerge -sync
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On 1/18/06, Charles Marcus <cmarcus@media-brokers.com> wrote:
> This may be the ultimate dumb question, but no amount of googling could
> satisfy my ignorance...
>
> Is there any difference? If not, why are the double hyphens almost
> always specified?
-- is the GNU getopt syntax for long options. For normal GNU programs:
--opt is processed as a single option ("opt")
-opt is processed as 6 options ('o', 'p', and 't').
--sync is correct. -sync is wrong and generates an error. "sync"
also works, but only because portage specifically looks for it.
-Richard
--
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