Coming as I do from an OO background, I would approach the problem like this:
#! perl
use strict;
use warnings;
{
package FunctionsFactory;
my $class = ($^O =~ /Win/) ? 'WinFunctions' :
'LinuxFunctions';
sub new { return $class->new(); }
}
{
package WinFunctions;
sub new { return bless {}, shift; }
sub f { print "Windows f()\n"; }
sub g { print "Windows g()\n"; }
}
{
package LinuxFunctions;
sub new { return bless {}, shift; }
sub f { print "Linux f()\n"; }
sub g { print "Linux g()\n"; }
}
my $funcs = FunctionsFactory->new();
$funcs->f();
$funcs->g();
Output (on my system!):
19:49 >perl 564_SoPW.pl
Windows f()
Windows g()
19:53 >
This scheme allows you to keep all the code in one file, and gives a clean/transparent interface to the functions concerned.
Hope that helps,
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