+ stream_in = new FDIStream(data.out_fd)
+ stream_out = new FDOStream(data.in_fd)
+ end
+
+ init from_a(command: String, arguments: Array[String])
+ do
+ execute(command, arguments, 3)
+ stream_in = new FDIStream(data.out_fd)
+ stream_out = new FDOStream(data.in_fd)