On Monday 27 September 2004 16:56, Niall O Broin wrote:
> On 27 Sep 2004, at 16:47, John Allen wrote:
> > # perl -pi -e 's|<div class="foo"></div>|<div
> > class="foo">TEST</div>|g' foobar.html
>> Ah John - would you ever read the man's original question? I reproduce
> the bit that makes this more than a completely trivial regex below.
>
No wonder I had so little trouble failing those exams.
> >>> What I would like to be able to do is replace every n'th element with
> >>> something else. So if n = 3, then the result is:
> >>>
> >>> <div class="foo"></div>
> >>> <div class="foo"></div>
> >>> <div class="foo">TEST</div>
> >>> <div class="foo"></div>
> >>> <div class="foo"></div>
> >>> <div class="foo">TEST</div>
>> I also presume that his real source file is a little more complicated
> than the above but ICBW.
>>>>> Niall
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