You need to export the constants. See, for instance, a module that does it, like Socket. The Exporter module will do all of the work for you once you set the right variables (which Exporter explains). 

use base qw(Exporter);
use vars qw(@EXPORT);

@EXPORT = qw(HOST_BIN HOST_FILE);

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brian d foy <bdfoy@cpan.org>

In reply to Re: Importing constants into another module by brian_d_foy
in thread Importing constants into another module by paulski

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