my ($opt, $usage) = describe_options( ... );
$usage->text; # complete usage message
$usage->die; # die with usage message
DESCRIPTIONThis document only describes the methods of the Usage object. For information on how to use Getopt::Long::Descriptive, consult its documentation.
my $usage = Getopt::Long::Descriptive::Usage->new(\%arg);
You really don't need to call this. GLD will do it for you.
Valid arguments are:
options - an arrayref of options leader_text - the text that leads the usage; this may go away!
textThis returns the full text of the usage message.
leader_textThis returns the text that comes at the beginning of the usage message.
option_textThis returns the text describing the available options.
warnThis warns with the usage message.
dieThis throws the usage message as an exception.
Some arguments can be provided
pre_text - text to be prepended to the usage message post_text - text to be appended to the usage message
The "pre_text" and "post_text" arguments are concatenated with the usage message with no line breaks, so supply this if you need them.
COPYRIGHT AND LICENSEThis software is copyright (c) 2005 by Hans Dieter Pearcey.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.