Rob Dixon said:
> In general a string is undefined if nothing has yet been assigned to it.
> It's not a real value in that you can compare against it ( $x == undef
> doesn't work properly ) but you can test for it (if undef $x) and set a
if (defined $x) { ... }
> variable back to being undefined (undef $x or $x = undef).
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Paul Johnson - [EMAIL PROTECTED]
http://www.pjcj.net
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