On Oct 17, HENRY,MARK (HP-Roseville,ex1) said:

>> You really don't need to, but ok.
>>
>This depends on whether I want to modify the passed in variable.. (as well
>as to be hip :)

You can modify variables sent to a function by modifying @_ by index:

  sub foo {
    $_[0] += 2;
  }

  $r = 13;
  foo $r;
  print $r;  # 15

-- 
Jeff "japhy" Pinyan      [EMAIL PROTECTED]      http://www.pobox.com/~japhy/
RPI Acacia brother #734   http://www.perlmonks.org/   http://www.cpan.org/
** Look for "Regular Expressions in Perl" published by Manning, in 2002 **
<stu> what does y/// stand for?  <tenderpuss> why, yansliterate of course.
[  I'm looking for programming work.  If you like my work, let me know.  ]


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