[EMAIL PROTECTED] wrote:
> Hello, this is my first post to activeperl. I'm getting familiar with Perl,
> but two things puzzle me and perhaps someone has the answers:
>
> 1) How would you add to a hash, similar to how you can "push" onto the end
> of an array? This is useful when reading through a list and adding to an
> array, but I can't find anything about doing it with a hash.
Just assign it:
$hash{name} = $value;
unless the hash key is an array and you really want to push the value onto the array:
push @{$hash{name}}, $value;
> 2) I prefer to use "use strict", which means all variables have to be
> preceded by "my," but what do you do when you need a "my" variable to be
> global so that another block of code can use it?
Place it at the top outside of any blocks in the file or use 'our $var;'
(later versions of Perl) or 'use vars qw($var);'
--
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