NAME

Filesys::DiskUsage - Estimate file space usage (similar to `du`)

SYNOPSIS

  use Filesys::DiskUsage qw/du/;

  # basic
  $total = du(qw/file1 file2 directory1/);

or

  # no recursion
  $total = du( { recursive => 0 } , <*> );

or

  # max-depth is 1
  $total = du( { 'max-depth' => 1 } , <*> );

or

  # get an array
  @sizes = du( @files );

or

  # get a hash
  %sizes = du( { 'make-hash' => 1 }, @files_and_directories );

FUNCTIONS

du

Estimate file space usage.

Get the size of files:

  $total = du(qw/file1 file2/);

Get the size of directories:

  $total = du(qw/file1 directory1/);

OPTIONS

dereference

Follow symbolic links. Default is 0. Overrides symlink-size.

Get the size of a directory, recursively, following symbolic links:

  $total = du( { dereference => 1 } , $dir );

exclude => PATTERN

Exclude files that match PATTERN.

Get the size of every file except for dot files:

  $total = du( { exclude => qr/^\./ } , @files ); 

human-readable

Return sizes in human readable format (e.g., 1K 234M 2G)

  $total = du ( { 'human-readable' => 1 } , @files );

Human-readable

Return sizes in human readable format, but use powers of 1000 instead of 1024.

  $total = du ( { 'Human-readable' => 1 } , @files );

make-hash

Return the results in a hash.

  %sizes = du( { 'make-hash' => 1 } , @files );

max-depth

Sets the max-depth for recursion. A negative number means there is no max-depth. Default is -1.

Get the size of every file in the directory and immediate subdirectories:

  $total = du( { 'max-depth' => 1 } , <*> );

recursive

Sets whether directories are to be explored or not. Set to 0 if you don't want recursion. Default is 1. Overrides max-depth.

Get the size of every file in the directory, but not directories:

  $total = du( { recursive => 0 } , <*> );

sector-size => NUMBER

All file sizes are rounded up to a multiple of this number. Any file that is not an exact multiple of this size will be treated as the next multiple of this number as they would in a sector-based file system. Common values will be 512 or 1024. Default is 1 (no sectors).

  $total = du( { sector-size => 1024 }, <*> );

show-warnings => 1 | 0

Shows warnings when trying to open a directory that isn't readable.

  $total = du( { 'show-warnings' => 0 }, <*> );

1 by default.

symlink-size => NUMBER

Symlinks are assumed to be this size. Without this option, symlinks are ignored unless dereferenced. Setting this option to 0 will result in the files showing up in the hash, if make-hash is set, with a size of 0. Setting this option to any other number will treat the size of the symlink as this number. This option is ignored if the dereference option is set.

  $total = du( { symlink-size => 1024, sector-size => 1024 }, <*> );

truncate-readable => NUMBER

Human readable formats decimal places are truncated by the value of this option. A negative number means the result won't be truncated at all. Default if 2.

Get the size of a file in human readable format with three decimal places:

  $size = du( { 'human-readable' => 1 , 'truncate-readable' => 3 } , $file);

AUTHOR

Jose Castro, <cog@cpan.org>

COPYRIGHT & LICENSE

Copyright 2004 Jose Castro, All Rights Reserved.

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