public static OutputStream leftShift(Process self,byte[] value) throws IOException {
  return IOGroovyMethods.leftShift(self.getOutputStream(),value);
}

public static OutputStream leftShift ( Process self , byte [ ] value ) throws IOException { return IOGroovyMethods . leftShift ( self . getOutputStream ( ) , value ) ; }
overloads the left shift operator to provide an append mechanism to pipe into a process
