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Subject: Re: separating cygcheck -f package name from version
References: <0D835E9B9CD07F40A48423F80D3B5A704BBDBE05 AT USA7109MB022 DOT na DOT xerox DOT net>
To: cygwin AT cygwin DOT com
Reply-To: Brian DOT Inglis AT SystematicSw DOT ab DOT ca
From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Message-ID: <4ce98a93-0329-5061-09d7-7c6ef764b399@SystematicSw.ab.ca>
Date: Tue, 17 Jan 2017 12:46:51 -0700
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On 2017-01-17 12:01, Nellis, Kenneth (Conduent) wrote:
> I want to be able to extract a package's name from its version
> information output by cygcheck -f. For many packages it is 
> easy: just strip off after the first hyphen; for example:
> 
> $ cygcheck -f /usr/bin/find
> findutils-4.6.0-1
> $ cygcheck -f /usr/bin/find | cut -d- -f1
> findutils
> $
> 
> But, then there are cases where both the package name and the
> version have multiple hyphens:
> 
> $ cygcheck -f /usr/share/man/man3p/wcstoimax.3p
> man-pages-posix-2013-a-1
> $ cygcheck -c man-pages-posix
> Cygwin Package Information
> Package              Version        Status
> man-pages-posix      2013-a-1       OK
> $
> 
> So, looking for ideas how best to do this.

$ fgrep "$(cygcheck -f /usr/bin/find | sed 's/\r$//').tar." \
			/etc/setup/installed.db | cut -d' ' -f1
findutils

OR 

$ fgrep "$(cygcheck -f /usr/bin/find | d2u).tar." \
		/etc/setup/installed.db | cut -d' ' -f1
findutils

cygcheck -f outputs DOS lines with \r which need stripped as 
shown, using sed (Base), d2u, or your choice of available tool.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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