Re^2: die on carriage return

Or even:

die "Enter is not valid" unless $number;
[download]

Since an empty string is false.

Update: Thanks to Perlbotics for pointing that this would mark 0 as invalid. Doh!

Comment on Re^2: die on carriage return Download Code

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Re^3: die on carriage return by ikegami (Patriarch) on Dec 31, 2008 at 11:34 UTC
I thought zero was a number.	[reply]
Re^3: die on carriage return by muizelaar (Sexton) on Dec 31, 2008 at 13:18 UTC
Hello Thanks that works quite well now, quite simple really :)	[reply]