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Re^3: Tie::File Write Problem

by jethro (Monsignor)
on Nov 17, 2011 at 23:35 UTC ( #938706=note: print w/ replies, xml ) Need Help??

in reply to Re^2: Tie::File Write Problem
in thread Tie::File Write Problem

@tmp is a completely separate variable that is not tied to the file. The split copies the data. You would have to add the following inside the foreach-loop to change the file as you intented:

$i= join(',',@tmp);

Note that even this works only because $i actually is an alias to the data in @lines and not a copy (this is magic done by the foreach loop)

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Re^4: Tie::File Write Problem
by packetstormer (Monk) on Nov 18, 2011 at 08:35 UTC

    Thanks - when I think it through it makes sense as to why it wasn't writing to the file!

    Rejoining the value back into the line works perfectly!

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