Re: running linux cmd in servlet/jsp

We've had a similar thing before, and I think it could well be the '|'
symbol. which is a shell construct, i believe.  Thus you'd need to actually
run a shell script that contains the full command you're trying to run,
instead of trying to get the '|' to work directly...


>Hi all,
>
>I would like to grep my linux MAC address, the command to run under linux
>should be like this
>ifconfig eth1 | grep HWaddr | awk '{print $5; }'
>
>Therefore i wrote it like below...
>
>But it failed.....
>
>Anyone can help?? Thanks.
>
>Regards
>KL
>
>*********************************
>   Process proc1=null;
>   Runtime rt1 = Runtime.getRuntime();
>
>   proc1 = rt1.exec("/sbin/ifconfig eth1 | grep HWaddr | awk '{print $5; }'
>");
>
>   BufferedReader result = new BufferedReader(new
>InputStreamReader(proc1.getInputStream()));
>   BufferedReader error = new BufferedReader(new
>InputStreamReader(proc1.getErrorStream()));
>
>   String str_result = null;
>   String str_error = null;
>
>   while ( ( str_result = result.readLine()) != null)
>   {
>    out.println(str_result);
>   }
>
>   while ( ( str_error = error.readLine()) != null)
>   {
>    out.println(str_error);
>   }
>*********************************
>
>
>
>
>Best regards,
>KL OOI
>Senior Software Engineer
>iBridge Capital Technology Solutions Limited
>
>General: (604)818-0988
>Fax: (604)818-0698
>DID: (604)818-0618
>Mobile: (6012)421-7772
>Email: [email protected]
>URL: www.ibridgecapital.com


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