On Mon, Apr 23, 2001 at 03:23:06PM -0400, David Gilden wrote:
> What is $|++ for?
perldoc perlvar
It sets the output to be unbuffered. Personally I'd use $| = 1 just to
be explicit, and in case some joker had previously set it to -1 :-)
> I could not seem to include the sub chekPrice in my if statement
>
> $x = &checkPrice($in{'price'});
> if ( ($in{'name'} eq "") or
> ($in{'type'} eq "") or
> ($in{'price'} eq "") or
> $x)
>
> { .....
>
>
> ### won't pass syntax validation!
> if ( ($in{'name'} eq "") or
> ($in{'type'} eq "") or
> ($in{'price'} eq "") or
> &checkPrice($in{'price'})
> )
>
> { ......
Hmmm. Looks OK. You'll have to be a bit more explicit unless someone
else can see the problem.
> Are there any issues with using
> if (!length $in{price}) ....
> as opposed to:
> if ($in{price} eq "") ...
>
> I am not sure about !length,
> I mean it is not a $length, so it is not scalar is it some special variable?
perldoc -f length
I suppose it's just a preference of mine. I don't like testing for
specifics if I can test for generalities. I don't think you could have
a zero length string that wasn't "" though ....
--
Paul Johnson - [EMAIL PROTECTED]
http://www.pjcj.net
