TREE (1)
list contents of directories in a tree-like format.
SYNOPSIS
tree [ -adfgilnpqstuxACDFN ] [ -P pattern ] [ -I pattern ] [ directory ... ]
DESCRIPTION
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.
OPTIONS
Tree understands the following command line switches:
-a
All files are printed. By default tree does not print hidden files (those
beginning with a dot `.'). In no event does tree print the file system
constructs `.' (current directory) and `..' (previous directory).
-d
-f
Prints the full path prefix for each file.
-i
Makes tree not print the indentation lines, useful when used in conjunction
with the -f option.
-l
Follows symbolic links if they point to directories, as if they were directories.
-x
Stay on the current file-system only. Ala find -xdev.
-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 character), `[...]' (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).
-I \fIpattern\fP
Do not list those files that match the wild-card pattern.
-p
Print the protections for each file (as per ls -l).
-s
Print the size of each file along with the name.
-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.
-D
Print the date of the last modification time for the file listed.
-F
Append a `/' for directories, a `=' for socket files, a `*' for executable files
and a `|' for FIFO's, as per ls -F
-q
Print non-printable characters in filenames as question marks instead of the default
carrot notation.
-N
Print non-printable characters as is instead of the default carrot notation.
-t
Sort the output by last modification time instead of alphabetically.
-n
Turn colorization off always, over-ridden by the -C option.
-C
Turn colorization on always, unless the LS_COLORS environment variable
is not set. Useful to colorize output to a pipe.
-A
Turn on ANSI line graphics hack when printing the indentation lines.
FILES
/etc/DIR_COLORS System color database.
~/.dircolors Users color database.
ENVIRONMENT
LS_COLORS Color information created by dircolors
AUTHOR
Steve Baker (ice@mama.indstate.edu)
BUGS
None known. Not heavily tested. Needs a few more options, ala ls.
SEE ALSO
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