1Getopt::Long::DescriptiUvsee:r:UCsoangter(i3b)uted PerlGDeotcoupmte:n:tLaotnigo:n:Descriptive::Usage(3)
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6 Getopt::Long::Descriptive::Usage - the usage description for GLD
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9 version 0.105
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12 use Getopt::Long::Descriptive;
13 my ($opt, $usage) = describe_options( ... );
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15 $usage->text; # complete usage message
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17 $usage->die; # die with usage message
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20 This document only describes the methods of the Usage object. For
21 information on how to use Getopt::Long::Descriptive, consult its
22 documentation.
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25 new
26 my $usage = Getopt::Long::Descriptive::Usage->new(\%arg);
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28 You really don't need to call this. GLD will do it for you.
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30 Valid arguments are:
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32 options - an arrayref of options
33 leader_text - the text that leads the usage; this may go away!
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35 text
36 This returns the full text of the usage message.
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38 leader_text
39 This returns the text that comes at the beginning of the usage message.
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41 option_text
42 This returns the text describing the available options.
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44 warn
45 This warns with the usage message.
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47 die
48 This throws the usage message as an exception.
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50 $usage_obj->die(\%arg);
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52 Some arguments can be provided
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54 pre_text - text to be prepended to the usage message
55 post_text - text to be appended to the usage message
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57 The "pre_text" and "post_text" arguments are concatenated with the
58 usage message with no line breaks, so supply this if you need them.
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61 · Hans Dieter Pearcey <hdp@cpan.org>
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63 · Ricardo Signes <rjbs@cpan.org>
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66 This software is copyright (c) 2005 by Hans Dieter Pearcey.
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68 This is free software; you can redistribute it and/or modify it under
69 the same terms as the Perl 5 programming language system itself.
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73perl v5.32.0 2020-07-28Getopt::Long::Descriptive::Usage(3)