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Date:      Thu, 24 Jun 1999 12:02:43 -0700
From:      Mike Smith <mike@smith.net.au>
To:        hm@hcs.de
Cc:        bde@zeta.org.au (Bruce Evans), imp@FreeBSD.org, cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org
Subject:   Re: getopt -? illegal ? (was: cvs commit: src/usr.sbin/i4b/isdnd main.c ..) 
Message-ID:  <199906241902.MAA00855@dingo.cdrom.com>
In-Reply-To: Your message of "Thu, 24 Jun 1999 10:12:40 %2B0200." <m10x4ci-0000fkC@hcswork.hcs.de> 

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> > getopt actually says that "-?" is an illegal option.
> 
> Since the very first days i learned Unix, i was - and i still am - under the
> impression that running a program with -? produces a usage message.
> 
> I still think that this is common sense, usage and knowledge.
> 
> Am i wrong ???

Most shells treat ? as a special character, so yes, I think you are.

> Given that i'm wrong, what is the common, known and valid flag to produce
> a usage message, -h ?

man 'command'

-- 
\\  The mind's the standard       \\  Mike Smith
\\  of the man.                   \\  msmith@freebsd.org
\\    -- Joseph Merrick           \\  msmith@cdrom.com




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