work($a,$b,$c,$d,$e,$f);

sub work{

    my ($a,$b,$c,$d,$e,$f) = @_;
    more_work($b,$c);
    print "$a\n";
}

more_work{

    my ($b,$c) = @_;
    even_more_work($c);
    print "$b\n";

}

[download]

$d, $e, $f are never used, and $b & $c are only used by more_work().

Then perhaps what you should be doing is:

more_work( $b, $c );
work( $a )

[download]

Or if work() requires the results of more_work(), then maybe:

work( $a, more_work( $b, $c ) );

[download]

I realise that your example was just that, but it demonstrates the problem with using made-up examples rather than real ones. It becomes all too easy to exaggerate the effect of the perceived problem -- that of passing lots of data around -- whilst obscuring what is often the real problem -- poorly structured code.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^3: Avoiding Globals with OO Perl by BrowserUk
in thread Avoiding Globals with OO Perl by Anonymous Monk

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