On 3/18/06, tom arnall <[EMAIL PROTECTED]> wrote:
> under 'use strict', how do you assign a value to a constant used only in a
> subroutine, without doing the assignment with every execution of the sub',
> and without making the constant a global variable. by constant i mean a
> variable which never changes value throughout the script.
I think you're talking about something like this, which uses a
variable whose scope is a BEGIN block:
BEGIN { # BEGIN block provides scope
my $steady = 42; # assigned at compile time
sub whatever {
return "The answer is $steady.\n";
}
}
Hope this helps!
--Tom Phoenix
Stonehenge Perl Training
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
<http://learn.perl.org/> <http://learn.perl.org/first-response>
