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Re: [Bug-wget] handling javascript links

From: Andre Majorel
Subject: Re: [Bug-wget] handling javascript links
Date: Tue, 16 Dec 2008 17:14:31 +0100
User-agent: Mutt/1.5.17+20080114 (2008-01-14)

On 2008-12-16 10:08 -0500, Allan Spiegel wrote:

> is there any way to convince wget to follow links in javascript?  for  
> example I have a lot of links like:
> <a  
> href="javascript:openPopupWindow('help/login_help.html',520,380)">Help</a>
> it would be great if wget could either
> - be told to treat anything that looks like a URL inside a href  
> parameter as an ordinary link, or
> - be provided with a set of sed scripts to run against javascript that  
> spit out links

Wget should have a way to filter all href= and/or src= through an
arbitrary command. That would solve in one go two classes of
problems :
- with commands like grep, that of specifying what links are to be
  followed in a more flexible way than -A, -R, -np and friends,
- with commands like awk and sed, that of rewriting links (like
  you are proposing).

The cost would be one fork/exec per page. IMHO quite acceptable in
regard of the very high power/development-time ratio.

André Majorel <URL:http://www.teaser.fr/~amajorel/>

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