examples/applications/diskspace.pl
#!/usr/bin/env perl
use strict;
use warnings;

use Filesys::DfPortable qw(dfportable);

#my $df = dfportable("/", 1024 * 1024 * 1024);

my $df = dfportable("/", 1024);
print "Total Size:             $df->{blocks} K\n";
print "Available:              $df->{bfree} K\n";
print "Used:                   $df->{bused} K\n";
print "Percent Full:           $df->{per} %\n";
print "Total available to me:  $df->{bavail} K\n";

$ perl diskspace.pl ; df /
Total Size:             48062440 K
Available:              38720692 K
Used:                   9341748 K
Percent Full:           20 %
Total available to me:  36279216 K

Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda1             48062440   9341748  36279216  21% /