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X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Thu, 5 Sep 2002 18:11:37 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Max Bowsher <maxb AT ukf DOT net>
cc: cygwin AT cygwin DOT com
Subject: Re: Calling all sed wizards! Need a little help with possible fix:
 Subtle permissions bug in interaction between Makefiles & libtool
 (Cygwin-specific)
In-Reply-To: <004c01c25522$3a51bec0$0100a8c0@wdg.uk.ibm.com>
Message-ID: <Pine.GSO.4.44.0209051809490.13825-100000@slinky.cs.nyu.edu>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Thu, 5 Sep 2002, Max Bowsher wrote:

> Max Bowsher wrote:
> > As far as I can see, the fix would be to sed '-m 644' to '-m 755' in
> > Cygwin's postinstall_cmds. The problem is how (whether?) to deal with
> > 600, 640, etc.
>
> I had an idea:
> sedpat6='s,\(-m [0-7]*\)6,\17,g'
> sedpat4='s,\(-m [0-7]*\)4,\15,g'
> sed -e "$sedpat4" -e "$sedpat4" -e "$sedpat4" -e "$sedpat6" -e "$sedpat6" -e
> "$sedpat6"
>
> but can anyone show me a way without repeating each pattern 3 times?

Hmm, "perl -pe 's/(?<=-m )([0-7]+)/($a=$1)=~tr,046,157,;$a/ge'"? O:)
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
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     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

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