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Date: Thu, 09 Jun 2011 16:50:32 +0200
Message-ID: <WTMSE7F8165D@wtms.nl>
From: Wil Taphoorn <wil@nogo.wtms.nl>
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Subject: Re: extract data between two regex
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On 9-6-2011 15:49, Rudra Banerjee wrote:
> Dear friends,
> How can I extract data sandwiched between two regex ? Say, for a
> file(snipped from gcstar export html) like this pasted below.
> What I want to do is to extract the titke (sandwidched between <srtong>
> and  </strong>) and export it to latex(or other format).
> hoping for your help.
> 
> <table border="0" cellspacing="10" cellpadding="0" width="100%">
> 	<tr><td colspan="3"><strong>Band Theory and Electronic Properties of
> Solids (Oxford Master Series in Condensed Matter Physics)
> (9780198506447)</strong></td></tr>
> 	<tr><td rowspan="5" width="80"><img
> src="booklist_images/Band_Theory_and_Electronic_Properties_of_Solids__Oxford_Master_Series_in_Condensed_Matter_Physics___9780198506447__0.jpg" height="160" alt="Band Theory and Electronic Properties of Solids (Oxford Master Series in Condensed Matter Physics) (9780198506447)" title="Band Theory and Electronic Properties of Solids (Oxford Master Series in Condensed Matter Physics) (9780198506447)" border="0"/></td></tr>	
> </table>

Try this:

$ lua -e 'io.read("*all"):gsub("<strong>([^<]+)</strong>",function(x)print(x)end)' <my_file

-- 
Wil