A quick question

[Alan Stewart]

~sdpm~
On 14 Oct 99 at 21:16, Joel Fentin wrote:

>~sdpm~
>The first program works. The second doesn't. What does it want?
>
>
>#use strict;
>$A = 3;
>print $A;
>
>
>
>use strict;
>$A = 3;
>print $A;

my $A = 3;
  or
use vars qw($A);

The first limits the scope of $A to that block or file, the second makes $A global.
Strict wants you to explicitly state what scope each variable gets, the assumption 
being, if you say it out loud, you will make fewer mistakes and it can do more 
checking.

>
>--
>Joel Fentin    tel: 760-749-8863    FAX: 760-749-8864
>
---------------------------------------------------------------
Alan Stewart          )-[]-(           Electronics Engineer
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------------^^^^^^^^^^^^^^^\__|______|_------------------------
~sdpm~

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