| CLI-Framework documentation | Contained in the CLI-Framework distribution. |
CLI::Framework::Command::Help - CLIF built-in command to print application or command-specific usage messages
| CLI-Framework documentation | Contained in the CLI-Framework distribution. |
package CLI::Framework::Command::Help; use base qw( CLI::Framework::Command::Meta ); use strict; use warnings; our $VERSION = 0.01; #------- sub usage_text { q{ help [command name]: usage information for an individual command or the application itself } } sub run { my ($self, $opts, @args) = @_; my $app = $self->get_app(); # metacommand is app-aware my $usage; my $command_name = shift @args; # Recognize help requests that refer to the target command by an alias... my %alias = $app->command_alias(); $command_name = $alias{$command_name} if $command_name && exists $alias{$command_name}; # First, attempt to get command-specific usage message... if( $command_name ) { # (do not show command-specific usage message for non-interactive # commands when in interactive mode) $usage = $app->usage( $command_name, @args ) unless( $app->get_interactivity_mode() && ! $app->is_interactive_command($command_name) ); } # Fall back to application usage message... $usage ||= $app->usage(); return $usage; } #------- 1; __END__