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Re^5: how to create a constant file and use it in other file

by sgifford (Prior)
on Jul 16, 2008 at 02:36 UTC ( #697844=note: print w/ replies, xml ) Need Help??


in reply to Re^4: how to create a constant file and use it in other file
in thread how to create a constant file and use it in other file

See the documentation for Exporter. Basically anything you list in @EXPORT_OK will be available for import by name into other modules which use the exporting module, and anything you list in @EXPORT will be imported automatically into useing modules. It's generally considered better style to use @EXPORT_OK, or to use a named tag in %EXPORT_TAGS, but if the whole purpose of your module is to provide constants @EXPORT may be OK.

Your module might look something like this:

package MyConst; use warnings; use strict; use base 'Exporter'; use vars qw(@EXPORT_OK %EXPORT_TAGS); @EXPORT_OK = qw($const1); %EXPORT_TAGS = (all => \@EXPORT_OK); # ...

And the module using it would begin like this:

use MyConst qw(:all);


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