1Mojolicious::Command(3)User Contributed Perl DocumentatioMnojolicious::Command(3)
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6 Mojolicious::Command - Command base class
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9 # Lowercase command name
10 package Mojolicious::Command::mycommand;
11 use Mojo::Base 'Mojolicious::Command', -signatures;
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13 # Short description
14 has description => 'My first Mojo command';
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16 # Usage message from SYNOPSIS
17 has usage => sub ($self) { $self->extract_usage };
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19 sub run ($self, @args) {
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21 # Magic here! :)
22 }
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24 =head1 SYNOPSIS
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26 Usage: APPLICATION mycommand [OPTIONS]
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28 Options:
29 -s, --something Does something
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31 =cut
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34 Mojolicious::Command is an abstract base class for Mojolicious
35 commands.
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37 See "COMMANDS" in Mojolicious::Commands for a list of commands that are
38 available by default.
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41 Mojolicious::Command implements the following attributes.
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43 app
44 my $app = $command->app;
45 $command = $command->app(Mojolicious->new);
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47 Application for command, defaults to a Mojo::HelloWorld object. Note
48 that this attribute is weakened.
49
50 # Introspect
51 say "Template path: $_" for @{$command->app->renderer->paths};
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53 description
54 my $description = $command->description;
55 $command = $command->description('Foo');
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57 Short description of command, used for the command list.
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59 quiet
60 my $bool = $command->quiet;
61 $command = $command->quiet($bool);
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63 Limited command output.
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65 template
66 my $template = $command->template;
67 $command = $command->template({vars => 1});
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69 Attribute values passed to Mojo::Template objects used to render
70 templates with "render_data", defaults to activating "vars".
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72 usage
73 my $usage = $command->usage;
74 $command = $command->usage('Foo');
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76 Usage information for command, used for the help screen.
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79 Mojolicious::Command inherits all methods from Mojo::Base and
80 implements the following new ones.
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82 chmod_file
83 $command = $command->chmod_file('/home/sri/foo.txt', 0644);
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85 Change mode of a file.
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87 chmod_rel_file
88 $command = $command->chmod_rel_file('foo/foo.txt', 0644);
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90 Portably change mode of a file relative to the current working
91 directory.
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93 create_dir
94 $command = $command->create_dir('/home/sri/foo/bar');
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96 Create a directory if it does not exist already.
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98 create_rel_dir
99 $command = $command->create_rel_dir('foo/bar/baz');
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101 Portably create a directory relative to the current working directory
102 if it does not exist already.
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104 extract_usage
105 my $usage = $command->extract_usage;
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107 Extract usage message from the SYNOPSIS section of the file this method
108 was called from with "extract_usage" in Mojo::Util.
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110 help
111 $command->help;
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113 Print usage information for command.
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115 rel_file
116 my $path = $command->rel_file('foo/bar.txt');
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118 Return a Mojo::File object relative to the current working directory.
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120 render_data
121 my $data = $command->render_data('foo_bar');
122 my $data = $command->render_data('foo_bar', @args);
123 my $data = $command->render_data('foo_bar', {foo => 'bar'});
124
125 Render a template from the "DATA" section of the command class with
126 Mojo::Loader and Mojo::Template. The template can be configured with
127 "template".
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129 render_to_file
130 $command = $command->render_to_file('foo_bar', '/home/sri/foo.txt');
131 $command = $command->render_to_file('foo_bar', '/home/sri/foo.txt', @args);
132 $command = $command->render_to_file(
133 'foo_bar', '/home/sri/foo.txt', {foo => 'bar'});
134
135 Render a template with "render_data" to a file if it does not exist
136 already, and create the directory if necessary.
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138 render_to_rel_file
139 $command = $command->render_to_rel_file('foo_bar', 'foo/bar.txt');
140 $command = $command->render_to_rel_file('foo_bar', 'foo/bar.txt', @args);
141 $command = $command->render_to_rel_file(
142 'foo_bar', 'foo/bar.txt', {foo => 'bar'});
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144 Portably render a template with "render_data" to a file relative to the
145 current working directory if it does not exist already, and create the
146 directory if necessary.
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148 run
149 $command->run;
150 $command->run(@ARGV);
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152 Run command. Meant to be overloaded in a subclass.
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154 write_file
155 $command = $command->write_file('/home/sri/foo.txt', 'Hello World!');
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157 Write text to a file if it does not exist already, and create the
158 directory if necessary.
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160 write_rel_file
161 $command = $command->write_rel_file('foo/bar.txt', 'Hello World!');
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163 Portably write text to a file relative to the current working directory
164 if it does not exist already, and create the directory if necessary.
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167 Mojolicious, Mojolicious::Guides, <https://mojolicious.org>.
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171perl v5.34.0 2021-07-22 Mojolicious::Command(3)