Removing Control characters

[Amol Sonaikar]

I have an output of an command line operation which is stored in file and it 
contains special characters. The file looks as below:

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--->TestCase Command: add-route dest-ip subnet 22.12.23.44 subnetmask 
255.255.255.255 nexthop-ip 192.168.22.98
interface ppd0^G
iprouting> add-route dest-ip subnet 22.12.23.44 subnetmask 255.255.255.255 
^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H$dest-ip 
subnet 22.12.23.44 subnetmask 255.255.255.255 n          
^H^H^H^H^H^H^H^H^H^Hexthop-ip^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H$bnet 
22.12.23.44 subnetmask 255.255.255.255 nexthop-ip            
^H^H^H^H^H^H^H^H^H^H^H192.168.2^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H$.23.44 
subnetmask 255.255.255.255 nexthop-ip 192.168.22           
^H^H^H^H^H^H^H^H^H^H^H.98 
inter^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H$netmask 
255.255.255.255 nexthop-ip 192.168.22.98 interf           
^H^H^H^H^H^H^H^H^H^H^Hace ppd0

Request timeout

iprouting>

--->TestCase Command: add-route dest-ip subnet 22.12.23.44 subnetmask 
255.255.255.255 nexthop-ip 192.168.22.98
vlanid 992^G
iprouting> add-route dest-ip subnet 22.12.23.44 subnetmask 255.255.255.255 
^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H$dest-ip 
subnet 22.12.23.44 subnetmask 255.255.255.255 n          
^H^H^H^H^H^H^H^H^H^Hexthop-ip^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H$bnet 
22.12.23.44 subnetmask 255.255.255.255 nexthop-ip            
^H^H^H^H^H^H^H^H^H^H^H192.168.2^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H$.23.44 
subnetmask 255.255.255.255 nexthop-ip 192.168.22           
^H^H^H^H^H^H^H^H^H^H^H.98 
vlani^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H$netmask 
255.255.255.255 nexthop-ip 192.168.22.98 vlanid           
^H^H^H^H^H^H^H^H^H^H^H 992

Request timeout

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If I print the line on using python script it will look like below.



--->TestCase Command: add-route dest-ip subnet 22.12.23.44 subnetmask 
255.255.255.255 nexthop-ip 192.168.22.98 interface ppd0

iprouting> $netmask 255.255.255.255 nexthop-ip 192.168.22.98 interface ppd0



Request timeout



iprouting>



--->TestCase Command: add-route dest-ip subnet 22.12.23.44 subnetmask 
255.255.255.255 nexthop-ip 192.168.22.98 vlanid 992

iprouting> $netmask 255.255.255.255 nexthop-ip 192.168.22.98 vlanid 992



Request timeout

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Regards 

Amol