Douglas Muth on 3 Dec 2009 15:46:15 -0800

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Re: [PLUG] sed newbie question

On Thu, Dec 3, 2009 at 6:30 PM, Michael Lazin <> wrote:
> Hi, I am interested in writing a shell script that will remove malicious
> iframes from peoples websites.  I am a scripting newbie and a sed newbie.  I
> decided to start by playing around with it.
> sed '/iframe/d' test.html
> cat test.html
> <iframe>frame src=</iframe>
> Why didn't this sed line delete the iframe line from my test file?

No idea, but I can tell you how I would do it:

cat test.html | sed -e s/iframe//g

Keep in mind that with that specific regexp, you'll be left with
broken HTML code.  I assume that's a proof of concept, though. :-)

Hope that helps,

-- Doug
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