Config::Backend::File - a file backend for Config::Frontend.

Config::Backend::File is a file backend for Config::Frontend. It handles files with identifiers that are assigned values. The files can have comments.

Each call set() will immediately result in file to be rewritten.

The configuration file has following syntax:

  %# Head of the configuration file
  %variable=value
  %variable=mult
  line value with
  %% double percentage sign
  at the beginning of the line % indicating
  %%# (This is not a comment)
  a single escaped percentage sign.
  %# Comments start with %#.

Invoked with a valid filename, new will open the filename for reading and read in the configuration items. A configuration file will have the following form:

  %var = value
  %multiline=Hi there,
  This is a multiline, with a hundred,
  %% (percent) read 
  back.
  %test=1000.0

Notice that the percentage sign in a multiline config item will be doubled to distinguish it from config variables.

This function will write back the configuration to file.

Sets config key var to value. Writes the config file right away.

Reads var from config. Returns undef, if var does not exist. Returns the value of configuration item var, otherwise.

Deletes var from the configuration file.

Returns all variables in the configuraton file.

Config::Frontend.

Hans Oesterholt-Dijkema, <oesterhol@cpan.org>

Copyright 2004 by Hans Oesterholt-Dijkema

This library is free software; you can redistribute it and/or modify it under LGPL.