declaring constants

[Troy Knight]

This may seem like a dumb question but I've only just got back into perl
after a few years. I would be very grateful if someonme could answer this...

I'm trying to define constants which can be used across multiple source
files. This:

use constanr MY_CONSTANT => 5;

seems to only work if it's put in the main source file. How do I rectify
this so it can be used when it's defined in another source file?

Many thanks,

Troy Knight

[nobull]

"Troy Knight" <tr*****@blueyonder.co.uk> wrote in message news:<jL*******************@fe2.news.blueyonder.co .uk>...

I'm trying to define constants which can be used across multiple source
files. This:

use constanr MY_CONSTANT => 5;

seems to only work if it's put in the main source file. How do I rectify
this so it can be used when it's defined in another source file?

Constants in Perl are subroutines (actually they are inlinable
subroutines).

You can export them just like any other subroutine. Typically you'd
do thois by using the Exporter module.

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