use strict;
use warnings;

use ExtUtils::Installed;

my $instmod = ExtUtils::Installed->new();
foreach my $module ($instmod->modules()) {
  my $version = $instmod->version($module);
  if ( $version ) {
    print "$module installed, version $version\n";
  } else {
    print "$module installed, version not available\n";
  }
}

__END__