JQUELIN / App-Magpie-1.121570 / lib / App / Magpie / Role / RunningCommand.pm 

            

              
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#
# This file is part of App-Magpie
#
# This software is copyright (c) 2011 by Jerome Quelin.
#
# This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
#
use 5.012;
use strict;
use warnings;
package App::Magpie::Role::RunningCommand;
{
  $App::Magpie::Role::RunningCommand::VERSION = '1.121570';
}
# ABSTRACT: sthg that can run an external command
use Moose::Role;
use MooseX::Has::Sugar;
with 'App::Magpie::Role::Logging';
# -- public methods
sub run_command {
    my ($self, $cmd) = @_;
    my $logger = $self->logger;
    $self->log_debug( "running: $cmd" );
    my $stderr = $logger->log_level >= 2 ? "" : "2>/dev/null";
    # run the command
    system("$cmd $stderr >&2") == 0
        or $self->log_fatal( [ "command [$cmd] exited with value %d", $?>>8] );
}
  
1;
=pod
=head1 NAME
App::Magpie::Role::RunningCommand - sthg that can run an external command
=head1 VERSION
version 1.121570
=head1 SYNOPSIS
    with 'App::Magpie::Role::RunningCommand';
    $self->run_command( "sleep 10" );
=head1 DESCRIPTION
This role is meant to provide easy way of running a command for classes
consuming it. Standard output & standard errors are redirected depending
on the log level.
=head1 METHODS
=head2 run_command
    $obj->run_command( $cmd );
Run a command, spicing some debug comments here and there. Die if the
command encountered a problem.
=head1 AUTHOR
Jerome Quelin <jquelin@gmail.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by Jerome Quelin.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
__END__