Chas Owens wrote:
> On 4/18/06, Irfan J Sayed <[EMAIL PROTECTED]> wrote:
> snip
>>can anybody plz tell me what i am doing wrong
> snip
> 
> What you are doing wrong is making assumptions and not reading the
> documentation.  This is being compounded by your inexperience with
> Perl.
> 
> First let us tackle the Perl ignorance: true and false are not 1 and
> 0.  In fact, there is no one value for either true or false.  The
> definition goes something like this: the values literal zero (0),
> undefined (undef), and empty string ('') are false and anything else
> is true.  Note that this means the string '0e0' is true even though it
> is numerically equivalent to 0.

Perl actually has four false values: 0, undef, '' and '0'.  One being the
number zero and another a string with a single zero character.


John
-- 
use Perl;
program
fulfillment

-- 
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
<http://learn.perl.org/> <http://learn.perl.org/first-response>


Reply via email to