'course, if you're aiming for something a bit less complicated, there's always:
perl -pi -e 's/old text/new text/' filename
...assuming, of course, that that's what you're trying to accomplish (the original question wasn't all that clear on that point)

In reply to Re: Re: Make a copy of a line and add it back to the same file by the pusher robot
in thread Make a copy of a line and add it back to the same file by kirk123

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