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131 .IX Title "AppConfig::Getopt 3"
132 .TH AppConfig::Getopt 3 "2007-05-30" "perl v5.8.7" "User Contributed Perl Documentation"
134 AppConfig::Getopt \- Perl5 module for processing command line arguments via delegation to Getopt::Long.
136 .IX Header "SYNOPSIS"
138 \& use AppConfig::Getopt;
142 \& my $state = AppConfig::State\->new(\e%cfg);
143 \& my $getopt = AppConfig::Getopt\->new($state);
147 \& $getopt\->parse(\e@args); # read args
150 .IX Header "OVERVIEW"
151 AppConfig::Getopt is a Perl5 module which delegates to Johan Vroman's
152 Getopt::Long module to parse command line arguments and update values
153 in an AppConfig::State object accordingly.
155 AppConfig::Getopt is distributed as part of the AppConfig bundle.
157 .IX Header "DESCRIPTION"
158 .Sh "\s-1USING\s0 \s-1THE\s0 AppConfig::Getopt \s-1MODULE\s0"
159 .IX Subsection "USING THE AppConfig::Getopt MODULE"
160 To import and use the AppConfig::Getopt module the following line should appear
164 \& use AppConfig::Getopt;
167 AppConfig::Getopt is used automatically if you use the AppConfig module
168 and create an AppConfig::Getopt object through the \fIgetopt()\fR method.
170 AppConfig::Getopt is implemented using object-oriented methods. A new
171 AppConfig::Getopt object is created and initialised using the \fInew()\fR method.
172 This returns a reference to a new AppConfig::Getopt object. A reference to
173 an AppConfig::State object should be passed in as the first parameter:
176 \& my $state = AppConfig::State\->new();
177 \& my $getopt = AppConfig::Getopt\->new($state);
180 This will create and return a reference to a new AppConfig::Getopt object.
181 .Sh "\s-1PARSING\s0 \s-1COMMAND\s0 \s-1LINE\s0 \s-1ARGUMENTS\s0"
182 .IX Subsection "PARSING COMMAND LINE ARGUMENTS"
183 The \f(CW\*(C`parse()\*(C'\fR method is used to read a list of command line arguments and
184 update the state accordingly.
186 The first (non\-list reference) parameters may contain a number of
187 configuration strings to pass to Getopt::Long::Configure. A reference
188 to a list of arguments may additionally be passed or \f(CW@ARGV\fR is used by
192 \& $getopt\->parse(); # uses @ARGV
193 \& $getopt\->parse(\e@myargs);
194 \& $getopt\->parse(qw(auto_abbrev debug)); # uses @ARGV
195 \& $getopt\->parse(qw(debug), \e@myargs);
198 See Getopt::Long for details of the configuartion options available.
200 A Getopt::Long specification string is constructed for each variable
201 defined in the AppConfig::State. This consists of the name, any aliases
202 and the \s-1ARGS\s0 value for the variable.
204 These specification string are then passed to Getopt::Long, the arguments
205 are parsed and the values in the AppConfig::State updated.
207 See AppConfig for information about using the AppConfig::Getopt
208 module via the \fIgetopt()\fR method.
211 Andy Wardley, <abw@wardley.org>
213 .IX Header "COPYRIGHT"
214 Copyright (C) 1997\-2007 Andy Wardley. All Rights Reserved.
216 Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
218 This module is free software; you can redistribute it and/or modify it
219 under the same terms as Perl itself.
220 .SH "ACKNOWLEDGMENTS"
221 .IX Header "ACKNOWLEDGMENTS"
222 Many thanks are due to Johan Vromans for the Getopt::Long module. He was
223 kind enough to offer assistance and access to early releases of his code to
224 enable this module to be written.
226 .IX Header "SEE ALSO"
227 AppConfig, AppConfig::State, AppConfig::Args, Getopt::Long