diff options
Diffstat (limited to 'bin')
-rwxr-xr-x | bin/vdf | 136 |
1 files changed, 136 insertions, 0 deletions
@@ -0,0 +1,136 @@ +#!/usr/bin/env perl +## Copyright © 2010 by Daniel Friesel <derf@finalrewind.org> +## License: WTFPL <http://sam.zoy.org/wtfpl> +## 0. You just DO WHAT THE FUCK YOU WANT TO. +use strict; +use warnings; +use 5.010; + +use autodie; + +use Filesys::Df; +use GD; +use Getopt::Std; +use Term::ANSIColor; + +my @mounts; +my %opts; + +sub format_size { + my ($bytes) = @_; + my @postfix = (' ', 'k', 'M', 'G', 'T'); + + while ($bytes > 1000) { + $bytes /= 1000; + shift @postfix; + } + + return sprintf('%3.1f%s', $bytes, $postfix[0]); +} + +sub bar_console { + my ($percent, $width) = @_; + my $vlen = sprintf("%d", $width * $percent / 100); + + return sprintf( + '[%s%s]', + '=' x ($vlen), + ' ' x ($width - $vlen), + ); +} + +sub show_df_console { + my $mp_width = 0; + + foreach my $mount (@mounts) { + my $this_width = length($mount->[1]); + if ($this_width > $mp_width) { + $mp_width = $this_width; + } + } + + my $h_format = "%-${mp_width}s %6s %6s %6s %4s%% %20s %s\n"; + my $l_format = "%-${mp_width}s %6s %6s %6s %2.1f%% %20s %s\n"; + + print color('yellow'); + printf( + $h_format, + qw{Mountpoint Size Used Avail Use}, + q{}, + q{Filesystem}, + ); + print color('reset'); + + foreach my $mount (@mounts) { + + # $mount->[4]->{'per'} (provided by Filesys::Df) is inaccurate + my $percent = $mount->[4]->{'used'} * 100 / $mount->[4]->{'blocks'}; + + printf( + $l_format, + $mount->[1], + format_size($mount->[4]->{'blocks'}), + format_size($mount->[4]->{'used'}), + format_size($mount->[4]->{'bavail'}), + $percent, + bar_console($percent, 18), + $mount->[0], + ); + } + + return; +} + +getopts('ac', \%opts); + +open(my $mounts_fh, '/proc/mounts'); +while (my $line = <$mounts_fh>) { + push(@mounts, [split(qr{ }, $line)]); +} +close($mounts_fh); + +foreach my $mount (@mounts) { + my ($device, $mountpoint, $type, $flags) = @{$mount}; + + my $df_ref = df($mountpoint, 1); + + if (not defined $df_ref) { + next; + } + + $mount->[4] = $df_ref; +} + +if (not $opts{'a'}) { + @mounts = grep { $_->[0] !~ qr{ ^ ( (root|tmp)fs | none ) $ }x } @mounts; +} + +if ($opts{'c'}) { + show_df_console(); +} + +__END__ + +=head1 NAME + +=head1 SYNOPSIS + +=head1 DESCRIPTION + +=head1 OPTIONS + +=head1 EXIT STATUS + +=head1 CONFIGURATION + +=head1 DEPENDENCIES + +=head1 BUGS AND LIMITATIONS + +=head1 AUTHOR + +Copyright (C) 2010 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt> + +=head1 LICENSE + + 0. You just DO WHAT THE FUCK YOU WANT TO. |