Re: [MacPerl] unknown error question

[Robert Pollard <robpoll1@bellsouth.net>]

You know I tried to figure out why it would complain about the variable
being used only once when MacPerl doesn't require you to declare
variables there is a possibility that you would only use the variable
once.

BTW this is all of the code.  I was having the warning in some other code
and decided to paste it into a new window and try it.  So,  I guess what
I am saying is, this doesn't make sense.  As with computers, I have found
out, not making sense is normal.  I am use to retyping errors and other
variable related errors, but telling you that you have only used a
variable once does not make sense.  I guess someone out there knew
exactly what they were doing when they put it in there.

One of the respondents mentioned the keyword "my."  Am I to understand
this is a way of declaring local variables?  I have looked for it in
documentation but haven't run across it yet.  I use Chris & Vicki's book
and the on-line documentation.

Thanks a bunch for the overwhelming response.

Robert Pollard


Robert Pollard wrote:

> Hey guys,
>
> Could anyone tell me why the following code produces the following
> error:
>
> CODE:
> #! perl -w
>
> $holdingThing = 'Backup Folder';
>
> ERROR:
> # Name "main::holdingThing" used only once: possible typo.
> File 'Untitled #3'; Line 3
>
> TIA
>
> Robert Pollard
>
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