Honestly, though, I'd skip du, and just use cog's FileSys::DiskUsage module. It wouldn't be as short, but it'd be, um, a bit more readable ;-)
#! /usr/bin/perl
use strict;
use warnings;
use Filesys::DiskUsage qw(du);
use Sort::Key qw(ikeysort);
my @files = @ARGV ? @ARGV : glob '*';
my %sizes = du(
{
'make-hash' => 1,
'recursive' => 0,
'sector-size' => 1024,
}, @files);
@files = ikeysort { $sizes{$_} } keys %sizes;
my %config = ( human => 1, 'truncate-readable' => 2 );
printf "%8s %s\n",
Filesys::DiskUsage::_convert($sizes{$_}, %config),
$_ for @files;
But, that's just me. (And look at all the other cool things you can do with
Filesys::DiskUsage, or even the output format!
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