[25891] in Perl-Users-Digest
Perl-Users Digest, Issue: 8119 Volume: 10
daemon@ATHENA.MIT.EDU (Perl-Users Digest)
Thu May 26 21:05:22 2005
Date: Thu, 26 May 2005 18:05:05 -0700 (PDT)
From: Perl-Users Digest <Perl-Users-Request@ruby.OCE.ORST.EDU>
To: Perl-Users@ruby.OCE.ORST.EDU (Perl-Users Digest)
Perl-Users Digest Thu, 26 May 2005 Volume: 10 Number: 8119
Today's topics:
Re: Ignorant question regarding includes <tadmc@augustmail.com>
Digest Administrivia (Last modified: 6 Apr 01) (Perl-Users-Digest Admin)
----------------------------------------------------------------------
Date: Thu, 26 May 2005 19:30:26 -0500
From: Tad McClellan <tadmc@augustmail.com>
Subject: Re: Ignorant question regarding includes
Message-Id: <slrnd9cqh2.b1e.tadmc@magna.augustmail.com>
Debo <mddibern@NOSPAM.student.cs.uwaterloo.ca> wrote:
> Hello there,
>
> I'd like to set up my application so that a whole bunch of global
> 'constants' are available merely by including the file somehow.
>
> The gist of what I'm trying to do is something like this:
>
>
> ***In constants.pl:
>
> my $constant1 = 'some value';
^^
> my $constant2 = 'some other value';
^^
Lexical variables are never visible across file boundaries,
for that you need the other kind of variable (package variables).
See also:
"Coping with Scoping":
http://perl.plover.com/FAQs/Namespaces.html
> ***In somefile.pl:
>
> require constants.pl;
require requires a string.
You should put quotes around strings.
> if ('hello' eq $constant1)
> Any suggestions?
Make a proper module and export the variables via Exporter.
Perhaps even better, have a single global hash instead of
a "whole bunch" of individual variables.
--
Tad McClellan SGML consulting
tadmc@augustmail.com Perl programming
Fort Worth, Texas
------------------------------
Date: 6 Apr 2001 21:33:47 GMT (Last modified)
From: Perl-Users-Request@ruby.oce.orst.edu (Perl-Users-Digest Admin)
Subject: Digest Administrivia (Last modified: 6 Apr 01)
Message-Id: <null>
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End of Perl-Users Digest V10 Issue 8119
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