08-04-2011
Probably because in the first case you had no subdirectory under "/media/Part 1/Desktop/playlist" but in the second case had a subdirectory under "/media/Part 1/Bob_5-22-2010/Desktop/".
Quote:
The du(1) utility displays the file system block usage for each file
argument and for each directory in the file hierarchy rooted in each
directory argument. If no file is specified, the block usage of the
hierarchy rooted in the current directory is displayed.
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args(1) GNU Telephony args(1)
NAME
args - manipulate and output command arguments.
SYNOPSIS
args [options] args...
DESCRIPTION
This command is used to manipulate and echo command line arguments to standard out. This can include adding quotes around each argument
passed or a separator, or to output each argument on a separate line. The program source also offers a basic example of how to use shell
argument parsing and localization in ucommon.
OPTIONS
--delim=char
Set a deliminator character, such as ',', to use between each argument when outputing arguments.
--directory
If argument is a directory, list directory contents as arguments.
--follow
If argument is a directory and a symlink, follow symlinks recursively.
--lines
Output each argument on a separate line.
--quote=char|pair
Set a quote or special leading and trailing pair of characters to surround each argument with when output. A typical use might be
--quote=() to surround arguments in parenthesis.
--recursive
If argument is a directory, recursively scan directory and any subdirectory contents as arguments.
--reverse
Reverse order of arguments.
--help Outputs help screen for the user.
AUTHOR
args was written by David Sugar <dyfet@gnutelephony.org>.
REPORTING BUGS
Report bugs to bug-commoncpp@gnu.org.
COPYRIGHT
Copyright (C) 2009 David Sugar, Tycho Softworks.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
GNU uCommon January 2010 args(1)