Re: Unix question

From: Uwe Weber <uwe.weber_at_teleos-web.de>
Date: Tue, 9 Mar 2004 20:50:16 +0100
Message-Id: <200403092050.16031.uwe.weber@teleos-web.de>

Nelson Flores schrieb:
> You cannot ...i least I think you can't ... you see, sed parses each
> line independently once and only once, looking for certain patterns
> .. this is what makes it so fast... so I believe that "the last line"
> is an unknown entity to sed pattern recognizer (pun intended)

You can give line addresses in sed like in ed or vi. Something like sed -e '$! s/.*/\'&/g' should work, though the op might have to experiment with escaping the single quote he wants to add. Putting the expresion into a sed script file worked for me.

The $ address operator finds the last line the ! negates this address, so sed will parse all the lines but the last.

Regards,
uwe

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Received on Tue Mar 09 2004 - 13:52:59 CST