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1 package Gruntmaster::App::Command::Get;
2
3 use 5.014000;
4 use warnings;
5
6 our $VERSION = '5999.000_015';
7
8 use Gruntmaster::App '-command';
9 use Gruntmaster::Data;
10
11 sub usage_desc { '%c [-cjpu] get id column' }
12
13 sub validate_args {
14 my ($self, $opt, $args) = @_;
15 my @args = @$args;
16 $self->usage_error('No table selected') unless $self->app->table;
17 $self->usage_error('Wrong number of arguments') if @args != 2;
18 }
19
20 sub execute {
21 my ($self, $opt, $args) = @_;
22 my ($obj, $col) = @$args;
23 say db->select($self->app->table, $col, {id => $obj})->flat
24 }
25
26 1;
27 __END__
28
29 =encoding utf-8
30
31 =head1 NAME
32
33 Gruntmaster::App::Command::Get - get a property of an object
34
35 =head1 SYNOPSIS
36
37 gm -u get MGV name
38 # Marius Gavrilescu
39
40 gm -p get aplusb level
41 # beginner
42
43 gm -c get test_ct description
44 # This is a <b>test</b> contest.<br>
45 # Nothing to see here.
46
47 gm -j get 100 result_text
48 # Accepted
49
50 =head1 DESCRIPTION
51
52 The get command takes two arguments: an object id and a property name,
53 and returns the value of that property.
54
55 =head1 SEE ALSO
56
57 L<gm>
58
59 =head1 AUTHOR
60
61 Marius Gavrilescu, E<lt>marius@ieval.roE<gt>
62
63 =head1 COPYRIGHT AND LICENSE
64
65 Copyright (C) 2014-2015 by Marius Gavrilescu
66
67 This library is free software; you can redistribute it and/or modify
68 it under the same terms as Perl itself, either Perl version 5.20.1 or,
69 at your option, any later version of Perl 5 you may have available.
70
71
72 =cut
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