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Message-ID: <42FA7C4C.4010607@serv.net>
Date: Wed, 10 Aug 2005 15:14:36 -0700
From: L Anderson <lowella AT serv DOT net>
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To: cygwin AT cygwin DOT com
Subject: Re: Programatically finding value of "cygdrive" prefix
References: <42FA4604 DOT 8000507 AT tlinx DOT org> <20050810183616 DOT GA5892 AT trixie DOT casa DOT cgf DOT cx> <20050810184119 DOT GA6155 AT trixie DOT casa DOT cgf DOT cx> <42FA7608 DOT 4070501 AT serv DOT net>
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L Anderson wrote:
> Christopher Faylor wrote:
> 
>> On Wed, Aug 10, 2005 at 02:36:16PM -0400, Christopher Faylor wrote:
>>
>>> On Wed, Aug 10, 2005 at 11:23:00AM -0700, Linda W wrote:
>>>
>>>> Is there a way to find out in a bash script the cygdrive prefix?
>>>> I thought something simple like
>>>>  mount -p|tail -1|cut -f1
>>>> but that incorrectly assumed the fields were tab delimited.
>>>> Since there can be spaces in the cygdrive prefix, I can't
>>>> use space a delimiter, example:
>>>> # mount -p
>>>> Prefix              Type         Flags
>>>> /cyg drive posix path  system       binmode
>>>> ----
>>>
>>>
>>> There may be a simpler way to do it, but this seems to work:
>>>
>>> mount -p | sed -n '2s/\([^ ]\)  *[^ ][^ ]*  *[^ ][^ ]*$/\1/p'
>>
>>
>>
>> This is shorter:
>>
>> mount -p | sed -nr '2s/([^ ]) +\S+ +\S+$/\1/p'
>>
> 
> Neither of which work if there is a space in the cygdrive prefix; viz a 
> viz:
> 
>  Prefix              Type         Flags
> /cyg drive posix path  system       binmode
> 
> However,
> 
> mount -p | sed -nr '2s/([^ ].*) +\S+ +\S+/\1/p'
> 
> does the trick.
>

Oops! I meant also to add that

mount -p | sed -nr '2s/(.*) +\S+ +\S+/\1/p'

is even a shorter version.


Regards

L Anderson




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