The London Perl and Raku Workshop takes place on 26th Oct 2024. If your company depends on Perl, please consider sponsoring and/or attending.

NAME

Mojo::Command - Command base class

SYNOPSIS

# Lower case command name
package Mojolicious::Command::mycommand;

# Subclass
use Mojo::Base 'Mojo::Command';

# Take care of command line options
use Getopt::Long 'GetOptions';

# Short description
has description => "My first Mojo command.\n";

# Short usage message
has usage => <<"EOF";
usage: $0 mycommand [OPTIONS]

These options are available:
  -s, --something   Does something.
EOF

# <suitable Futurama quote here>
sub run {
  my $self = shift;

  # Handle options
  local @ARGV = @_;
  GetOptions('s|something' => sub { $something = 1 });

  # Magic here! :)
}

DESCRIPTION

Mojo::Command is an abstract base class for Mojo commands.

See Mojolicious::Commands for a list of commands that are available by default.

ATTRIBUTES

Mojo::Command implements the following attributes.

app

my $app  = $command->app;
$command = $command->app(Mojolicious->new);

Currently active application, defaults to a Mojo::HelloWorld object.

# Introspect
say "Template path: $_" for @{$command->app->renderer->paths};

description

my $description = $command->description;
$command        = $command->description('Foo!');

Short description of command, used for the command list.

quiet

my $quiet = $command->quiet;
$command  = $command->quiet(1);

Limited command output.

usage

my $usage = $command->usage;
$command  = $command->usage('Foo!');

Usage information for command, used for the help screen.

METHODS

Mojo::Command inherits all methods from Mojo::Base and implements the following new ones.

chmod_file

$command = $command->chmod_file('/foo/bar.txt', 0644);

Portably change mode of a file.

chmod_rel_file

$command = $command->chmod_rel_file('foo/bar.txt', 0644);

Portably change mode of a relative file.

class_to_file

my $file = $command->class_to_file('Foo::Bar');

Convert a class name to a file.

Foo::Bar -> foo_bar
FOO::Bar -> foobar
FooBar   -> foo_bar
FOOBar   -> foobar

class_to_path

my $path = $command->class_to_path('Foo::Bar');

Convert class name to path.

Foo::Bar -> Foo/Bar.pm

create_dir

$command = $command->create_dir('/foo/bar/baz');

Portably create a directory.

create_rel_dir

$command = $command->create_rel_dir('foo/bar/baz');

Portably create a relative directory.

get_all_data

my $all = $command->get_all_data;
my $all = $command->get_all_data('Some::Class');

Extract all embedded files from the DATA section of a class.

get_data

my $data = $command->get_data('foo_bar');
my $data = $command->get_data('foo_bar', 'Some::Class');

Extract embedded file from the DATA section of a class.

help

$command->help;

Print usage information for command.

rel_dir

my $path = $command->rel_dir('foo/bar');

Portably generate an absolute path from a relative UNIX style path.

rel_file

my $path = $command->rel_file('foo/bar.txt');

Portably generate an absolute path from a relative UNIX style path.

render_data

my $data = $command->render_data('foo_bar', @args);

Render a template from the DATA section of the command class.

render_to_file

$command = $command->render_to_file('foo_bar', '/foo/bar.txt');

Render a template from the DATA section of the command class to a file.

render_to_rel_file

$command = $command->render_to_rel_file('foo_bar', 'foo/bar.txt');

Portably render a template from the DATA section of the command class to a relative file.

run

$command->run;
$command->run(@ARGV);

Run command. Meant to be overloaded in a subclass.

write_file

$command = $command->write_file('/foo/bar.txt', 'Hello World!');

Portably write text to a file.

write_rel_file

$command = $command->write_rel_file('foo/bar.txt', 'Hello World!');

Portably write text to a relative file.

SEE ALSO

Mojolicious, Mojolicious::Guides, http://mojolicio.us.