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TREE(1) 										  TREE(1)

       tree - list contents of directories in a tree-like format.

       tree  [-acdfghilnpqrstuvxACDFQNSUX] [-L level [-R]] [-H baseHREF] [-T title] [-o filename]
       [--nolinks] [-P pattern] [-I pattern]  [--inodes]  [--device]  [--noreport]  [--dirsfirst]
       [--version] [--help] [--filelimit #] [--si] [--prune] [--du] [--timefmt format] [directory

       Tree is a recursive directory listing program that produces a depth  indented  listing  of
       files,  which  is colorized ala dircolors if the LS_COLORS environment variable is set and
       output is to tty.  With no arguments, tree lists the files in the current directory.  When
       directory  arguments  are  given, tree lists all the files and/or directories found in the
       given directories each in turn.	Upon completion of listing all	files/directories  found,
       tree returns the total number of files and/or directories listed.

       By default, when a symbolic link is encountered, the path that the symbolic link refers to
       is printed after the name of the link in the format:

	   name -> real-path

       If the `-l' option is given and the symbolic link refers to an actual directory, then tree
       will follow the path of the symbolic link as if it were a real directory.

       Tree understands the following command line switches:

       -a     All  files  are printed.	By default tree does not print hidden files (those begin-
	      ning with a dot `.').  In no event does tree print the file system  constructs  `.'
	      (current directory) and `..' (previous directory).

       -d     List directories only.

       -l     Follows  symbolic  links if they point to directories, as if they were directories.
	      Symbolic links that will result in recursion are avoided when detected.

       -f     Prints the full path prefix for each file.

       -x     Stay on the current file-system only.  Ala find -xdev.

       -L level
	      Max display depth of the directory tree.

       -R     Recursively cross down the tree each level directories (see -L option), and at each
	      of them execute tree again adding `-o 00Tree.html' as a new option.

       -P pattern
	      List  only those files that match the wild-card pattern.	Note: you must use the -a
	      option to also consider those files beginning with a dot `.'  for matching.   Valid
	      wildcard	operators  are `*' (any zero or more characters), `?' (any single charac-
	      ter), `[...]' (any single character listed between brackets (optional - (dash)  for
	      character  range	may  be  used: ex: [A-Z]), and `[^...]' (any single character not
	      listed in brackets) and `|' separates alternate patterns.

       -I pattern
	      Do not list those files that match the wild-card pattern.

	      Makes tree prune empty directories from the output, useful when used in conjunction
	      with -P or -I.  See BUGS AND NOTES below for more information on this option.

	      Omits printing of the file and directory report at the end of the tree listing.

       --charset charset
	      Set the character set to use when outputting HTML and for line drawing.

       --filelimit #
	      Do not descend directories that contain more than # entries.

       --timefmt format
	      Prints  (implies -D) and formats the date according to the format string which uses
	      the strftime(3) syntax.

       -o filename
	      Send output to filename.

       -q     Print non-printable characters in  filenames  as	question  marks  instead  of  the

       -N     Print non-printable characters as is instead of as escaped octal numbers.

       -Q     Quote the names of files in double quotes.

       -p     Print the file type and permissions for each file (as per ls -l).

       -u     Print the username, or UID # if no username is available, of the file.

       -g     Print the group name, or GID # if no group name is available, of the file.

       -s     Print the size of each file in bytes along with the name.

       -h     Print the size of each file but in a more human readable way, e.g. appending a size
	      letter for kilobytes (K), megabytes (M), gigabytes (G),  terabytes  (T),	petabytes
	      (P) and exabytes (E).

       --si   Like -h but use SI units (powers of 1000) instead.

       --du   For  each  directory  report its size as the accumulation of sizes of all its files
	      and sub-directories (and their files, and so on).  The total amount of  used  space
	      is  also given in the final report (like the 'du -c' command.) This option requires
	      tree to read the entire directory tree before  emitting  it,  see  BUGS  AND  NOTES
	      below.  Implies -s.

       -D     Print  the  date	of  the  last modification time or if -c is used, the last status
	      change time for the file listed.

       -F     Append a `/' for directories, a `=' for socket files, a `*' for executable files, a
	      `>' for doors (Solaris) and a `|' for FIFO's, as per ls -F

	      Prints the inode number of the file or directory

	      Prints the device number to which the file or directory belongs

       -v     Sort the output by version.

       -r     Sort the output in reverse alphabetic order.

       -t     Sort the output by last modification time instead of alphabetically.

       -c     Sort  the  output by last status change instead of alphabetically.  Modifies the -D
	      option (if used) to print the last status change instead of modification time.

       -U     Do not sort.  Lists files in directory order. Disables --dirsfirst.

	      List directories before files. This is a meta-sort that  alters  the  above  sorts.
	      This option is disabled when -U is used.

       -i     Makes  tree  not	print the indentation lines, useful when used in conjunction with
	      the -f option.

       -A     Turn on ANSI line graphics hack when printing the indentation lines.

       -S     Turn on ASCII line graphics (useful when using  Linux  console  mode  fonts).  This
	      option is now equivalent to `--charset=IBM437' and may eventually be depreciated.

       -n     Turn colorization off always, over-ridden by the -C option.

       -C     Turn  colorization  on always, using built-in color defaults if the LS_COLORS envi-
	      ronment variable is not set.  Useful to colorize output to a pipe.

       -X     Turn on XML output. Outputs the directory tree as an XML formatted file.

       -H baseHREF
	      Turn on HTML output, including HTTP references. Useful  for  ftp	sites.	 baseHREF
	      gives  the  base	ftp location when using HTML output. That is, the local directory
	      may be `/local/ftp/pub', but it must  be	referenced  as	`ftp://hostname.organiza-
	      tion.domain/pub'	(baseHREF  should be `ftp://hostname.organization.domain'). Hint:
	      don't use ANSI lines with this option, and don't give more than  one  directory  in
	      the  directory  list.  If  you  wish  to use colors via CCS style-sheet, use the -C
	      option in addition to this option to force color output.

       -T title
	      Sets the title and H1 header string in HTML output mode.

	      Turns off hyperlinks in HTML output.

       --help Outputs a verbose usage listing.

	      Outputs the version of tree.

       /etc/DIR_COLORS		System color database.
       ~/.dircolors	   Users color database.

       LS_COLORS      Color information created by dircolors
       TREE_COLORS    Uses this for color information over LS_COLORS if it is set.
       TREE_CHARSET   Character set for tree to use in HTML mode.
       LC_CTYPE       Locale for filename output.
       LC_TIME	      Locale for timefmt output, see strftime(3).
       TZ	      Timezone for timefmt output, see strftime(3).

       Steve Baker (ice@mama.indstate.edu)
       HTML output hacked by Francesc Rocher (rocher@econ.udg.es)
       Charsets and OS/2 support by Kyosuke Tokoro (NBG01720@nifty.ne.jp)

       Tree does not prune "empty" directories when the -P and -I options are  used  by  default.
       Use the --prune option.

       The  -h	and  --si options round to the nearest whole number unlike the ls implementations
       which rounds up always.

       Pruning files and directories with the -I, -P and --filelimit options will lead to  incor-
       rect file/directory count reports.

       The  --prune  and  --du	options cause tree to accumulate the entire tree in memory before
       emitting it. For large directory trees this can cause a significant delay  in  output  and
       the use of large amounts of memory.

       The timefmt expansion buffer is limited to a ridiculously large 255 characters.	Output of
       time strings longer than this will be undefined, but are  guaranteed  to  not  exceed  255

       XML trees are not colored, which is a bit of a shame.

       Probably more.

       dircolors(1), ls(1), find(1), du(1), strftime(3)

Tree 1.6.0										  TREE(1)
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