On Mar 14, Balint, Jess said:

>What exactly does this ($2 eq '-' && $2) do? Must it be in parenthesis?

Try it.  It is "technically" the same as:

  if ($2 eq '-') { $2 }

Used in the context of:

>s/(.{1,100})( |-)/$1 . ($2 eq '-' && $2) . "\n"/eg;

Here is an example:

  $x = "foo";
  $y = $x eq 'foo' && $x;  # $y is 'foo'
  $x = "bar";
  $y = $x eq 'foo' && $x;  # $y is '' (false)

-- 
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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