You finction can be written more simply as 

sub getFoo{
    my ($x,$y) = @_;
    $x . '_' . $y . '_testme.xml';
}

[download]
or just: 
sub getFoo{
    sprintf '%s_%s_testme.xml', @_;
}

[download]
Notice that the package global names $a and $b are not used. It's best to preserve them for sort.

After Compline,
Zaxo

In reply to Re: shift vs. @_ (where @_ evaluates to 1) by Zaxo
in thread shift vs. @_ (where @_ evaluates to 1) by P0w3rK!d

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