Hans Oesterholt > Config-Frontend-0.18 > Config::Frontend

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Module Version: 0.18   Source  

NAME ^

Config::Frontend - Configuration module with flexible backends

SYNOPSIS ^

 use Config::Frontend;
 use Config::Frontend::String;
 
 open my $in,"<conf.cfg";
 my $string=<$in>;
 close $in;

 my $cfg=new Conf(new Config::Frontend::String(\$string))

 print $cfg->get("config item 1");
 $cfg->set("config item 1","Hi There!");

 $cfg->set("cfg2","config 2");

 $cfg->del("config item 1");

 open my $out,">conf.cfg";
 print $out $string;
 close $out;

ABSTRACT ^

This module can be used to put configuration items in. It's build up by using a backend and an interface. The interface is through the Config::Frontend module. A Config::Frontend object is instantiated with a backend.

DESCRIPTION ^

new(backend) --> Conf

Should be called with a pre-instantiated backend. Returns a Config::Frontend object.

set(var,val) --> void

Sets a variable with value val in the backend.

get(var [, default]) --> string

Returns the value for var as stored in the backend. Returns undef, if var does not exist in the backend and default has not been given. Otherwise, returns default, if var does not exist in the backend.

del(var) --> void

Deletes a variable from the backend. All properties for the variable are also removed.

move(fromvar,tovar) --> void

Rename a variable fromvar with all it's properties to tovar. Note. If tovar already exists, it will be overwritten.

exists(var) --> boolean

Returns true, if var exists. Returns false, otherwise.

set_prop(var,prop,val) --> void

Sets property prop for variable var to value val.

set_prop(var,prop,val) --> void

Sets property prop for variable var to value val.

get_prop(var,prop [,default]) --> string

Returns property prop for variable var, or undef cq. default if the property doesn't exist.

del_prop(var,prop) --> void

Deletes property prop for variable var.

move_prop(var,fromprop,toprop) --> void

Renames a property withing the bounds of a variable from fromprop to toprop. Note. If toprop already exists, it will be overwritten.

exists_prop(var,prop) --> boolean

Returns true if property prop exists for variable var. False, otherwise.

variables() --> list of stored variables

Returns a list all variables (not properties) stored in the backend.

properties(var) --> list of stored properties

Returns a list of all properties for a variable in the backend.

cache(cache_on) --> void

If cache_on = true, this will turn on caching for the get() method. If caching is on, the get() method will only go to the backend if a variable does not exist in it's cache. The set() function will delete a variable from cache if it is updated. The del() function will delete a variable from cache.

clear_cache() --> void

Clears the cache.

SEE ALSO ^

Config::Backend::String, Config::Backend::SQL, Config::Backend::File, Config::Backend::INI.

AUTHOR ^

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

COPYRIGHT AND LICENSE ^

Copyright 2004 by Hans Oesterholt-Dijkema

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

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