From: hemant <gethemant@...>
Date: 2006-11-16T04:07:22+09:00
Subject: Re: Regexp with Ruby

On 11/16/06, Paul Lutus <nospam@nosite.zzz> wrote:
> Ajay Vijey wrote:
>
> > Hallo @ all,
> >
> > I have to replace in a File the image tags with an other!
>
> As another poster has pointed out, you aren't showing enough code for an
> analysis, and, while you are replacing tags, please reformat your IMG tags
> thus:
>
> <img src="..."/>
>
> Note the self-closing form. This won't bother older browsers, and it will
> allow you to meet the newer (X)HTML standards as well.
>
> Here is sample program that extracts all the IMG tags from a Web page (of
> both the old and new varieties):
>
> ----------------------------------------
> #!/usr/bin/ruby -w
>
> data = File.read("sample.html")
>
> extract = data.scan(%r{<img.*?/>}m)
>
> puts extract.join("\n")
> ----------------------------------------
>
> This outputs from my sample page:
>
> <img src="../images/leftarrow.png" border="0" alt="" />
> <img src="../images/rightarrow.png" border="0" alt="" />
> <img src="rock_ptarmigan_chick_small.jpg" width="300" height="289" alt=""/>
> <img src="pws_naked_island003_cropped_small.jpg" width="300" height="232"
> alt=""/>
> <img src="pws_naked_island011_cropped_small.jpg" width="300" height="225"
> alt=""/>
> <img src="pws_naked_island007_cropped_small.jpg" width="300" height="236"
> alt=""/>
> <img src="pws_naked_island012_small.jpg" width="300" height="200" alt=""/>
> <img src="pws_naked_island013_cropped_small.jpg" width="300" height="236"
> alt=""/>
> <img src="../images/leftarrow.png" border="0" alt="" />
> <img src="../images/rightarrow.png" border="0" alt="" />
>
> --
> Paul Lutus
> http://www.arachnoid.com
>
>

If i were to do this..I would use hpricot.


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