1Mojolicious::Command(3)User Contributed Perl DocumentatioMnojolicious::Command(3)
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NAME

6       Mojolicious::Command - Command base class
7

SYNOPSIS

9         # Lowercase command name
10         package Mojolicious::Command::mycommand;
11         use Mojo::Base 'Mojolicious::Command';
12
13         # Short description
14         has description => 'My first Mojo command';
15
16         # Usage message from SYNOPSIS
17         has usage => sub { shift->extract_usage };
18
19         sub run {
20           my ($self, @args) = @_;
21
22           # Magic here! :)
23         }
24
25         1;
26
27         =head1 SYNOPSIS
28
29           Usage: APPLICATION mycommand [OPTIONS]
30
31           Options:
32             -s, --something   Does something
33
34         =cut
35

DESCRIPTION

37       Mojolicious::Command is an abstract base class for Mojolicious
38       commands.
39
40       See "COMMANDS" in Mojolicious::Commands for a list of commands that are
41       available by default.
42

ATTRIBUTES

44       Mojolicious::Command implements the following attributes.
45
46   app
47         my $app  = $command->app;
48         $command = $command->app(Mojolicious->new);
49
50       Application for command, defaults to a Mojo::HelloWorld object. Note
51       that this attribute is weakened.
52
53         # Introspect
54         say "Template path: $_" for @{$command->app->renderer->paths};
55
56   description
57         my $description = $command->description;
58         $command        = $command->description('Foo');
59
60       Short description of command, used for the command list.
61
62   quiet
63         my $bool = $command->quiet;
64         $command = $command->quiet($bool);
65
66       Limited command output.
67
68   template
69         my $template = $command->template;
70         $command     = $command->template({vars => 1});
71
72       Attribute values passed to Mojo::Template objects used to render
73       templates with "render_data", defaults to activating "vars".
74
75   usage
76         my $usage = $command->usage;
77         $command  = $command->usage('Foo');
78
79       Usage information for command, used for the help screen.
80

METHODS

82       Mojolicious::Command inherits all methods from Mojo::Base and
83       implements the following new ones.
84
85   chmod_file
86         $command = $command->chmod_file('/home/sri/foo.txt', 0644);
87
88       Change mode of a file.
89
90   chmod_rel_file
91         $command = $command->chmod_rel_file('foo/foo.txt', 0644);
92
93       Portably change mode of a file relative to the current working
94       directory.
95
96   create_dir
97         $command = $command->create_dir('/home/sri/foo/bar');
98
99       Create a directory if it does not exist already.
100
101   create_rel_dir
102         $command = $command->create_rel_dir('foo/bar/baz');
103
104       Portably create a directory relative to the current working directory
105       if it does not exist already.
106
107   extract_usage
108         my $usage = $command->extract_usage;
109
110       Extract usage message from the SYNOPSIS section of the file this method
111       was called from with "extract_usage" in Mojo::Util.
112
113   help
114         $command->help;
115
116       Print usage information for command.
117
118   rel_file
119         my $path = $command->rel_file('foo/bar.txt');
120
121       Return a Mojo::File object relative to the current working directory.
122
123   render_data
124         my $data = $command->render_data('foo_bar');
125         my $data = $command->render_data('foo_bar', @args);
126         my $data = $command->render_data('foo_bar', {foo => 'bar'});
127
128       Render a template from the "DATA" section of the command class with
129       Mojo::Loader and Mojo::Template. The template can be configured with
130       "template".
131
132   render_to_file
133         $command = $command->render_to_file('foo_bar', '/home/sri/foo.txt');
134         $command = $command->render_to_file('foo_bar', '/home/sri/foo.txt', @args);
135         $command = $command->render_to_file(
136           'foo_bar', '/home/sri/foo.txt', {foo => 'bar'});
137
138       Render a template with "render_data" to a file if it does not exist
139       already, and create the directory if necessary.
140
141   render_to_rel_file
142         $command = $command->render_to_rel_file('foo_bar', 'foo/bar.txt');
143         $command = $command->render_to_rel_file('foo_bar', 'foo/bar.txt', @args);
144         $command = $command->render_to_rel_file(
145           'foo_bar', 'foo/bar.txt', {foo => 'bar'});
146
147       Portably render a template with "render_data" to a file relative to the
148       current working directory if it does not exist already, and create the
149       directory if necessary.
150
151   run
152         $command->run;
153         $command->run(@ARGV);
154
155       Run command. Meant to be overloaded in a subclass.
156
157   write_file
158         $command = $command->write_file('/home/sri/foo.txt', 'Hello World!');
159
160       Write text to a file if it does not exist already, and create the
161       directory if necessary.
162
163   write_rel_file
164         $command = $command->write_rel_file('foo/bar.txt', 'Hello World!');
165
166       Portably write text to a file relative to the current working directory
167       if it does not exist already, and create the directory if necessary.
168

SEE ALSO

170       Mojolicious, Mojolicious::Guides, <https://mojolicious.org>.
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174perl v5.28.0                      2018-10-15           Mojolicious::Command(3)
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