++ed by:
KEEDI

1 PAUSE user(s)
1 non-PAUSE user(s).

Ryo Okamoto

NAME

Filesys::DiskUsage::Fast - A fast disk usage counter (du) with XS

SYNOPSIS

 use Filesys::DiskUsage::Fast qw(du);
 
 my $total = du( $dir );
 my $total = du( $dir1, $dir2, ... );

DESCRIPTION

A simple but fast disk usage counter implemented as XS module.

FUNCTIONS

du()

Returns total byte number contained in directories specified.

  my $total = du("/usr/local");
  my $total = du("/bin", "/sbin", "/usr/bin", "/usr/sbin");

GLOBAL VARIABLES

$ShowWarnings

If true, errors will be warn()ed. Default is true. Set false to suppress warnings (not found, permission denied etc).

  local $Filesys::DiskUsage::Fast::ShowWarnings = 0;
  du(...);
$SectorSize

If > 0, the specified size is used to calculate the block size. Default value is 0, returns real occupied size.

  local $Filesys::DiskUsage::Fast::SectorSize = 4096;
  du(...);

PERFORMANCE

     s/iter   pp   xs
  pp   1.35   -- -85%
  xs  0.197 584%   --

tested on a directory contains around 11GB 3300+ files, CentOS 5 (HDD).

CAVEAT

All symbolic links always result 0 byte. Block, FIFO and other special files may not be counted accurately.

DEPENDENCY

None

SEE ALSO

Filesys::DiskUsage, Number::Bytes::Human

REPOSITORY

https://github.com/ryochin/p5-filesys-diskusage-fast

AUTHOR

Ryo Okamoto <ryo@aquahill.net>

COPYRIGHT & LICENSE

Copyright (c) Ryo Okamoto, all rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.




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