On May 1, 2007, at 10:54 PM, Marc Zeedar wrote:

> I won't weigh in on this debate since I have no position, but I have
> a question.
>
> My experience is with variable declarations at the top so I haven't
> gotten used to declaring them later in code, but I can see some value
> in doing so. However, the one aspect that confuses me is how do you
> "undeclare" a variable? Can you? I mean, how else would the variable
> only be good for that block?

The subroutine *is* a block, so that variable is only available in  
that block.  Put the declaration inside the "then" clause of an "if/ 
then" statement, and the variable is only available during the  
execution of the "then" clause.

-- 
Glenn L. Austin <><
Computer Wizard and Race Car Driver
<[EMAIL PROTECTED]>
<http://www.austin-home.com/glenn/>


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