And to then avoid reproducing code (which probably negates the advantages of not using a temp variable) (untested):

@array1 = @array1[slicer(@array1)];
@array2 = @array2[slicer(@array1)];

sub slicer {
    grep 
       { $_[$_] =~ /keep these/ }
       0 .. $#_;
}

[download]

    -Bryan

In reply to Re^4: Use grep with two arrays by mrborisguy
in thread Use grep with two arrays by lampros21_7

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