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Man Pages


Manual Reference Pages  -  DETOXRC (5)

NAME

detoxrc - configuration file for detox(1)

CONTENTS

Overview
Important
Syntax
Example
Safe
     Rules that apply anywhere in the filename:
Wipeup
     Rules that apply anywhere in the filename:
     Rules that apply only at the beginning of a filename:
     Rules that apply when remove trailing is enabled:
See Also
Authors

OVERVIEW

detox allows for configuration of its sequences through config files. This document describes how these files work.

IMPORTANT

When setting up a new set of rules, the safe and wipeup filters must always be run after a translating filter (or series thereof), such as the utf_8 or the uncgi filters. Otherwise, the risk of introducing illegal characters into the filename is introduced.

SYNTAX

The format of this configuration file is C-like. It is based loosely off named’s configuration files. Each statement is semicolon terminated, and modifiers on a particular statement are generally contained within braces.
sequence"nameBro ... Brc";
  Defines a sequence of filters to run a filename through. "name" specifies how the user will refer to the particular sequence during runtime. Quotes around the sequence name are generally optional, but should be used if the sequence name does not start with a letter.

There is a special sequence, named "default", which is the default sequence used by detox. This can be overridden through the command line option -s or the environmental variable DETOX_SEQUENCE.

Sequence names are case sensitive and unique throughout all sequences; that is, if a system wide file defines normal_seq and a user has a sequence with the same name in their .detoxrc, the users’ normal_seq will take precedence.

iso8859_1 Bro filename"/path/to/filename;Brc";
  This translates ISO 8859-1 (aka Latin-1) characters into lower ASCII equivalents. The output is not necessarily safe, and should also be run through the safe filter.

Under normal circumstances, the filename syntax is not needed. Detox looks in several locations for a file called iso8859_1.tbl, which is a set of rules defining how an ISO 8859-1 character should be translated.

In the event this table doesn’t exist, you have two options. You can download or create your own, and tell detox the location of it using the filename syntax shown above, or you can let detox fall back on its internal tables. The internal tables translate the same as the stock translation tables.

You can chain together multiple iso8859_1 translations, as long as the default value of all but the last one is set to nothing. This is explained in detox.tbl(5).

This filter is mutually exclusive with the utf_8 filter.

utf_8 Bro filename"/path/to/filename;Brc";
  This translates Unicode characters, encoded by the UTF-8 translation method, into safe equivalents.

This operates in a manner similar to iso8859_1, except it looks for a translation table called unicode.tbl.

The default internal translation for Unicode characters only contains the lower 256 characters of Unicode, which is equivalent to the set of Basic Latin and Latin-1 characters.

uncgi; This translates CGI escaped strings into their ASCII equivalents. The output of this is not necessarily safe, and could contain ISO 8859-1 chars or potentially UTF-8 characters.
safe Bro filename"/path/to/filename;Brc";
  This could also be called "safe for UNIX-like operating systems". It translates characters that are difficult to work with in UNIX environments into characters that are not.

In earlier versions this filter was entirely internal. Starting with 1.2.0, this filter is controlled by a translation table. In the absense of the translation table, the previous code will be employed for the translation. Also, prior to 1.2.0, the safe filter removed leading dashes to prevent the hassle of dealing with a filename in the format -filename. This functionality is exclusively handled by the wipeup filter now.

See the SAFE section for more details on what this filter translates by default.

wipeup Bro remove_trailing; Brc;
  This wipes up any excessive characters. For instance, multiple underscores or dashes will be converted into a single underscore or dash. Any series of dash and underscore (i.e. "_-_") will be converted into a single dash.

The remove trailing option removes a dash or underscore followed immediately by a period.

See the WIPEUP section for more details on what this filter translates.

max_length Bro length value; Brc;
  This trims a file down to the length specified (or less). It is conscious of extensions and attempts to preserve anything following the last period in a filename.

For instance, given a max length of 12, and a filename of "this_is_my_file.txt", the filter would output "this_is_.txt".

lower; This translates uppercase characters into lowercase characters.
# Comments
  Any thing after a # on any line is ignored.

EXAMPLE

sequence default {
  uncgi;
  iso8859_1 {
    filename "iso8859_1.tbl";
  };
# utf_8 {
#   filename "unicode.tbl";
# };
  safe {
    filename "safe.tbl";
  };
  wipeup {
    remove_trailing;
  };
# max_length {
#   length 128;
# };
};

SAFE

The following characters are translated by the stock safe filter. They can be tuned by updating safe.tbl or creating a copy of safe.tbl and updating your rc file.

    Rules that apply anywhere in the filename:

Safe      Original
_and_      &
_      space ‘ ! @ $ * \ | : ; ’ < > ? /
-      ( ) [ ] { }
 

WIPEUP

The following characters are translated by the wipeup filter.

    Rules that apply anywhere in the filename:

Wipeup      Original
-      -_
-      _-
-      --
_      __
 

    Rules that apply only at the beginning of a filename:

Any leading dashes are stripped to prevent programs from interpreting these files as command line options.
Wipeup      Original
removed      - _ #
 

    Rules that apply when remove trailing is enabled:

Wipeup      Original
.      .-
.      -.
.      ._
.      _.
 

SEE ALSO

detox(1), detox.tbl(5).

AUTHORS

detox was written by
.An Doug Harple .
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