In article <[EMAIL PROTECTED]>, Dan
Anderson wrote:

>> I did assume that the user would input '1', '2', or '3'. But
>> you may be right!
> 
> He is right.  Although I am new to Perl, I have had some very dumb users
> break my PHP scripts by inputting things like "eighteen dollars and 0
> cents" in a form with an explicit $ sign in front.

As Joseph more or less said, error-trapping and verifying input is not the
user's job (well, unless she's doing quality control work).

Checking whether numerical input is numerical doesn't seem so obscure.


-- 
Kevin Pfeiffer
International University Bremen


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