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Re^3: Changing local variables in subroutine by passing by reference?

by ikegami (Patriarch)
on Feb 29, 2008 at 11:12 UTC ( #671147=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub func {
   print("f-pre:  $_[0], $_[1]\n");
...
print("pre:    $x, $y\n");
func($x, $y);
print("post:   $x, $y\n");
  2. or download this
    pre:    3, 4
f-pre:  3, 4
f-post: 5, 6
post:   5, 6

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