Short answer: Pass references to the arrays as: 

...
sub something {
 my ($ary_ref1, $ary_ref2, $ary_ref3) = @_;
...
}

...
something( \@ary1, \@ary2, \@ary3 );
...

[download]

Long answer: Read perlreftut and perlref

In reply to Re: getting arrays into subroutines by BrowserUk
in thread getting arrays into subroutines by Mahoota

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