if (untested): 
use warnings;
use strict;

my $LINUX = 0;

if ($^O eq 'linux') { $LINUX=1; };

use if $LINUX, 'MIDI::ALSA' => ('SND_SEQ_EVENT_PORT_UNSUBSCRIBED',
                               'SND_SEQ_EVENT_SYSEX');

if ($LINUX) {
    print STDERR "OS is Linux\n";
    MIDI::ALSA::client('test',1,1,1);
    MIDI::ALSA::connectfrom(0,'MidiSport 4x4:0');
    MIDI::ALSA::connectto(1,'MidiSport 4x4:0');
    MIDI::ALSA::start();
}

[download]

UPDATE: deleted 2nd 'use'

In reply to Re: How to have OS specific code sections in Perl by toolic
in thread How to have OS specific code sections in Perl by perltux

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