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Man Pages

Manual Reference Pages  -  TDIR (1)


tdir - Display formatted directory listing


Column Arithmetic
Separator Character
Bugs And Misfeatures


tdir [-DRdefhtv] [-cCol Width] [-sSep Character] [-wOutput Width] [dir ...]


tdir displays a formatted listing for the directories you select, grouping the file names by "extension". If you do not name a specific directory, it defaults to the current directory.

For each directory selected, tdir will first display a columnated and sorted list of subdirectories delimited by square brackets, followed by a columnated list of files sorted by "extension" which appears on the left side of the listing delimited by curly braces.

If either a directory or file name cannot fit in the column width, it will be truncated so that it does fit. In that case, the last character of the truncated name will be replaced with a carat (^) to let you know what happened.

The output is written to the standard output.

Normal exits return an exit status of 0. Command line errors or unreasonable parameters return an exit status of 2.


-D Supress output of "dot" directories and files. i.e., Files and directories whose names begin with "." This option is ignored when viewing directory tree output (-t or -Rdf).
-R Travel down each directory tree Recursively. Defaults to no recursion.
-d Suppress display of directories
-e Suppress sorting files by extension. Display full file name in alphabetic order beneath the directory display.
-f Suppress display of files
-h Display Help information about tdir.
-s c Set Extension Separator character to c. (default: .) tdir will search for the rightmost instance of this character when examining file names. From that position to the end of the name is considered the "extension" of the file. Everything before it is considered the "name".
-t Tree mode - display directory tree only. Equivalent to: -Rdf
-v Display Version information about tdir.
-c # Set Column With to # characters. (default: 19)
-w # Set the Output Width to # characters. On Unix-style systems, this defaults to the current terminal width minus 1. On other systems it defaults to 80.


tdir defines its columnar output based on the total output width and column width. Both of these can be changed from the command line. The number of columns is (output-width modulo column- width). The indentation to the first column is (remainder output-width/column-width). The width of the text is always one less than the column width to leave room for a trailing space.


tdir sorts and displays file names based on their so-called "extensions". In most cases, the default of ’.’ should be fine. However, there may be times when you want to override the default (with the -s command line option). Say, for example, you have a bunch of reports ending in: -001, -002, -003, and so on. In this case, switching the separator character to ’-’ will probably give you a more reasonable output sort order.


You must have a reasonably current copy of ’python’ installed for tdir to operate.


None known as of this release. tdir is written in ’python’ and has been used on FreeBSD, Linux, and Windows 2000/XP installations. If you are using something else that supports ’python’, give it a whirl.

tdir is case-sensitive. So, files ending in ".EXE" and ".exe" and ".eXe" will sort into separate groups. This is completely appropriate for adult operating systems like Unix, but (at the very least) arguable for systems like Windows where case is preserved but not observed by the OS.

Paths are displayed using ’/’ as the path separator. I can’t help it that Microsoft departed from The One True Way ;))


tdir is Copyright(c) 2001-2014 TundraWare Inc. For terms of use, see the tdir-license.txt file in the program distribution. If you install tdir on a FreeBSD system using the ’ports’ mechanism, you will also find this file in /usr/local/share/doc/tdir.


Tim Daneliuk

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