[antlr-interest] Query: Rule Based Command Line Response Parsing using ANTLR

[Anuj Mehta]

Hi 

 

Can we use ANTLR for parsing "response" from a command (CLI)?

 

Example: For command 'route' following is response. 

 

[anuj at anuj ~]$ /sbin/route 

Kernel IP routing table 

Destination     Gateway         Genmask         Flags Metric Ref 

Use    Iface 

172.31.44.0     *               255.255.255.0          U     0 

0         0         eth0 

169.254.0.0     *               255.255.0.0              U     0 

0         0         eth0 

default         172.31.44.1     0.0.0.0                  UG    0 

0        0        eth0 

 

Now I want to save above data in a HashMap/Table (row wise or 

column wise). So for that I may create an input file which will contain
rules like

1) Check for correct order of following headers i.e.  Destination, Gateway,
Genmask, Flags etc.

2) Skip empty lines.

3) Store all the values (say row wise) in a HashTable i.e.  "172.31.44.0
*               255.255.255.0          U     0 

0         0         eth0"

 

 

Do let me know your suggestions for doing this.

 

Thanks, 

Anuj


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