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Date:	Fri, 1 Oct 2004 11:16:31 -0400
From:	Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: A good way to test if cygwin isn't installed?
Message-ID:	<20041001151631.GJ15450@trixie.casa.cgf.cx>
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References:	<20041001045101 DOT 8AA6484C99 AT pessard DOT research DOT canon DOT com DOT au>
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On Fri, Oct 01, 2004 at 02:51:01PM +1000, luke DOT kendall AT cisra DOT canon DOT com DOT au wrote:
>I just wanted to run an idea past the list.
>
>I want to write a shell script to test if Cygwin has been installed on
>the machine running the shell script.
>
>I do this by running a shell (from a network install of Cygwin if
>necessary).
>
>If Cygwin is installed on the local machine, then "cygpath -w /"
>returns something like "c:\cygwin".  (Good for discovering what drive 
>Cygwin was installed on, right?)  If Cygwin has not been installed, 
>"cygpath -w /" returns a plain old backslash.
>
>That's fine - maybe even great.  My question: is that a reliable way to
>perform that test?  It seems good to me.

If you have cygwin programs available to you, then use the mount
command.  If the only output from the mount command is of the "noumount"
variety then cygwin isn't installed in any meaningful way.

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