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Re^2: Static Variables in Perl

by Tanktalus (Canon)
on Mar 30, 2006 at 20:32 UTC ( [id://540270]=note: print w/replies, xml ) Need Help??

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  1. or download this
      $knob = $_[0] if @_;
  2. or download this
      if (@_)
  {
    # check that $_[0] is allowed.
    $knob = $_[0];
  }

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