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sub argument passing? (TIMTOWTDI)

by temporal (Pilgrim)
on Sep 13, 2012 at 18:36 UTC ( #993555=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    # single arg, used for simple and dirty
sub foo {
...
    # will warn me if $href->{hello_sub} is not defined
    print 'hi!' if $href->{hello_sub};
}
  2. or download this
    # processes arguments passed to subroutine in hashref
# returns hash
...
    print 'hi!' if $opts{hello_sub};
}

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