[plug] [OT]how to do this in perl?

Michael Collard quadfour at iinet.net.au
Thu Aug 12 10:17:26 WST 2004


On Thu, 2004-08-12 at 09:55, simon at plumtek.com wrote:
> Hi all
> 
> just a quick question - If I have a for loop in perl, how do I affect the
> 'parent' $_ variable from within it? Within the loop the $_ variable is equal
> to the counter.... but I want to append a string to $_ variable outside the
> loop....
> 
> Any clues?

Why not do whatever you want to $_ and then add it to an array or string
that you can use outside the loop. And depending on the type of loop, $_
is not always the counter. Eg:

foreach (@fudd) {
# $_ is equal to the current item in the array.
push (@duff, $_ . 'hello');
}

Regards
Michael Collard




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