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Re: Help with this statement

by tradez (Pilgrim)
on Jan 11, 2002 at 20:48 UTC ( [id://138047]=note: print w/replies, xml ) Need Help??


in reply to Help with this statement

I believe your problem is the non-transative nature of the perl || and 'or' operators. in this case you are asking if it is equal to 456 or just 453. 453 of course is never 0 and therefore will be true. Hence printing something. to fix this just add. 
if ($value == 456 || $value == 453){
print something;
}
else 
{
print nothing;
}

[download]
That should clear things up.

Replies are listed 'Best First'.
(cLive ;-) Re: Help with this statement
by cLive ;-) (Prior) on Jan 11, 2002 at 23:20 UTC
    I couldn't resist this as a TIMTOWTDI :) 
    unless (abs($value - 454.5) - 1.5) {
  print something;
}
else 
{
  print nothing;
}

    [download]

    cLive ;-)

[reply]
[d/l]
      just as an alternative, it can also be written as: 
      my $value = 444;

if ($value == 456) { print "something"; }
elsif ($value == 453) { print "something"; }
else { print "nothing"; }

      [download]
[reply]
[d/l]
Re: Re: Help with this statement
by basicdez (Pilgrim) on Jan 11, 2002 at 20:59 UTC
    Thanks I got it working now. peace dez L
[reply]

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