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Re: What are multiple $_[0] =~ operations doing?

by polettix (Vicar)
on Apr 01, 2005 at 10:14 UTC ( #444135=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub double_it {
   $_[0] *= 2;
...
print "\$x is $x\n";
double_it($x);
print "\$x now is $x\n";
  2. or download this
    $x is 1
$x now is 2

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