Why don't you just try to find out what really is in your arrays? 
...
use Data::Dumper;
...
print Dumper (\@idold);
print Dumper (\@idnew);

[download]

then you know at least where to look for your problem ...
pelagic

-------------------------------------
I can resist anything but temptation.

In reply to Re: printing an array by pelagic
in thread printing an array by bory

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