in reply to wrong in minus

I don't know what your data looks like (you should give us a sample), but making an assumption that you used split incorrectly, try this:

@tmp1=split /\t+/, $item1;

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Re^2: wrong in minus
by Tux (Canon) on May 10, 2018 at 17:16 UTC

    And the use strict; use warnings; advice would have given you an indication:

    $ perl -wE'my $item1="x\t\ty";my@tmp1=split(/t+\,$item1/);'
Use of uninitialized value $_ in split at -e line 1.
$ perl -wE'my $item1="x\t\ty";my@tmp=split(/t+/,$item1);say for@tmp'
x               y
$ perl -wE'my $item1="x\t\ty";my@tmp=split(/\t+/,$item1);say for@tmp'
x
y

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    Enjoy, Have FUN! H.Merijn
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Re^2: wrong in minus
by yueli711 (Sexton) on May 10, 2018 at 19:09 UTC

    Thank you so much! Yes! You are correct!

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