1Config::Tiny(3) User Contributed Perl Documentation Config::Tiny(3)
2
3
4
6 Config::Tiny - Read/Write .ini style files with as little code as
7 possible
8
10 # In your configuration file
11 rootproperty=blah
12
13 [section]
14 one=twp
15 three= four
16 Foo =Bar
17 empty=
18
19 # In your program
20 use Config::Tiny;
21
22 # Create a config
23 my $Config = Config::Tiny->new;
24
25 # Open the config
26 $Config = Config::Tiny->read( 'file.conf' );
27
28 # Reading properties
29 my $rootproperty = $Config->{_}->{rootproperty};
30 my $one = $Config->{section}->{one};
31 my $Foo = $Config->{section}->{Foo};
32
33 # Changing data
34 $Config->{newsection} = { this => 'that' }; # Add a section
35 $Config->{section}->{Foo} = 'Not Bar!'; # Change a value
36 delete $Config->{_}; # Delete a value or section
37
38 # Save a config
39 $Config->write( 'file.conf' );
40
42 "Config::Tiny" is a perl class to read and write .ini style
43 configuration files with as little code as possible, reducing load time
44 and memory overhead. Most of the time it is accepted that Perl
45 applications use a lot of memory and modules. The "::Tiny" family of
46 modules is specifically intended to provide an ultralight alternative
47 to the standard modules.
48
49 This module is primarily for reading human written files, and anything
50 we write shouldn't need to have documentation/comments. If you need
51 something with more power move up to Config::Simple, Config::General or
52 one of the many other "Config::" modules. To rephrase, Config::Tiny
53 does not preserve your comments, whitespace, or the order of your
54 config file.
55
57 Files are the same format as for windows .ini files. For example:
58
59 [section]
60 var1=value1
61 var2=value2
62
63 If a property is outside of a section at the beginning of a file, it
64 will be assigned to the "root section", available at "$Config->{_}".
65
66 Lines starting with '#' or ';' are considered comments and ignored, as
67 are blank lines.
68
69 When writing back to the config file, all comments, custom whitespace,
70 and the ordering of your config file elements is discarded. If you need
71 to keep the human elements of a config when writing back, upgrade to
72 something better, this module is not for you.
73
75 new
76 The constructor "new" creates and returns an empty "Config::Tiny"
77 object.
78
79 read $filename
80 The "read" constructor reads a config file, and returns a new
81 "Config::Tiny" object containing the properties in the file.
82
83 Returns the object on success, or "undef" on error.
84
85 When "read" fails, "Config::Tiny" sets an error message internally you
86 can recover via "Config::Tiny->errstr". Although in some cases a failed
87 "read" will also set the operating system error variable $!, not all
88 errors do and you should not rely on using the $! variable.
89
90 read_string $string;
91 The "read_string" method takes as argument the contents of a config
92 file as a string and returns the "Config::Tiny" object for it.
93
94 write $filename
95 The "write" method generates the file content for the properties, and
96 writes it to disk to the filename specified.
97
98 Returns true on success or "undef" on error.
99
100 write_string
101 Generates the file content for the object and returns it as a string.
102
103 errstr
104 When an error occurs, you can retrieve the error message either from
105 the $Config::Tiny::errstr variable, or using the "errstr()" method.
106
108 Unsupported Section Headers
109 Some edge cases in section headers are not support, and additionally
110 may not be detected when writing the config file.
111
112 Specifically, section headers with leading whitespace, trailing
113 whitespace, or newlines anywhere in the section header, will not be
114 written correctly to the file and may cause file corruption.
115
117 Bugs should be reported via the CPAN bug tracker at
118
119 http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Config-Tiny
120 <http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Config-Tiny>
121
122 For other issues, or commercial enhancement or support, contact the
123 author.
124
126 Adam Kennedy <adamk@cpan.org>
127
129 Thanks to Sherzod Ruzmetov <sherzodr@cpan.org> for Config::Simple,
130 which inspired this module by being not quite "simple" enough for me :)
131
133 Config::Simple, Config::General, ali.as
134
136 Copyright 2002 - 2011 Adam Kennedy.
137
138 This program is free software; you can redistribute it and/or modify it
139 under the same terms as Perl itself.
140
141 The full text of the license can be found in the LICENSE file included
142 with this module.
143
144
145
146perl v5.12.4 2011-03-24 Config::Tiny(3)