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You are looking at a very old, but free version of the course.
If you are interesed the most recent version, check it out
on the Perl Maven site. Example 15-4. examples/applications/du.pl #!/usr/bin/perl
use strict;
use warnings;
use Filesys::DiskUsage qw(du);
my %sizes = du({'make-hash' => 1}, @ARGV);
foreach my $entry (sort { $sizes{$a} <=> $sizes{$b} } keys %sizes) {
print "$entry => $sizes{$entry}\n";
}
If you are interested in on-site trainings by the author, please
contact me directly.
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