[root@old]# perl pc --ip=dsfa --device dsfasdf on
Use of uninitialized value $Power::Control::data in concatenation (.) or string at Power/Control.pm line 63.

 The globla data is 
Use of uninitialized value $Power::Control::data in concatenation (.) or string at Power/Control.pm line 75.

 The data from parent is  

 The device name is dsfasdf

 The ip address is dsfa

 This is the command on