Re: [Guillem Jover] Parsing of dpkg status file considered harmful

[Julian Gilbey <jdg@polya.uklinux.net>]

On Thu, May 31, 2007 at 10:09:24PM +0200, Florent Rougon wrote:
> Hi,
> 
> Frank Küster <frank@debian.org> wrote:
> 
> > Is there any particular reason why did you use the while loop?
> 
> Yes.
> 
> > Looking at the old code, I would have intuitively used
> >
> > md5sum=$(dpkg-query -W -f='${Conffiles}' $package | grep "$file[[:space:]]" | cut -f 3 -d ' ')
> 
> This has the problem that $file is interpreted as a regexp; it isn't an
> exact match (for example, the . preceding file extensions would match
> any character). I replaced that with a [ $foo = $bla ] test precisely to
> avoid this problem.

OK, then, replace grep with perl -ne "/\\Q$file\\E\\s/ && print" or
something like that.

   Julian