From: Stefan Rusterholz <apeiros@...>
Date: 2007-08-20T22:37:37+09:00
Subject: Re: regex not gsubbing for me.

Peter Bailey wrote:
> Hi,
> Can someone please explain to me why this simple regex substitution
> won't work?
> 
> Source data file:
> <purpose>Reauthorization of collaborative weather modification
> research program within Department of Commerce/NOAA Weather modification
> research appropriations</purpose>
> 
> My script line:
> xmlfile.gsub!(/<purpose>(.*)<\/purpose>/mi, '<row><entry><text><emph
> face="b">Purpose: </emph><entry><text>\1')
> 
> The data stays the same. The line isn't converted.
> 
> Thanks a lot,
> Peter

Your operation changes the string object in memory. Not the file. You 
have to write the string back to the file to have it changed there.

Regards
Stefan

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