Shell

new(cmd : String, args : Array(String) | Nil = nil, stdout : Process::Stdio = IO::Memory.new, stderr : Process::Stdio = IO::Memory.new, stdin : Process::Stdio = Process::Redirect::Close, chdir : String | Nil = nil, env : Process::Env = nil, clear_env : Bool = false, fail_on_error : Bool = true)

exit_code(*args, **options)

exit_code(*args, **options, &)

fail_on_error=(fail_on_error : Bool)

success?(*args, **options)

success?(*args, **options, &)

run(*args, **options)