[JSch-users] How do you capture output of a command executed on Shell?

[Mike V <ba...@ho...>]

How do you capture output of a command executed on Shell, and how do you know if it is done executing?

I need this because some programs look for variables set by the .profile (ksh).


This is how I'm doing it now:
-open Shell channel and send a ByteArrayInputStream  that contains my command, while outputing to a tmpfile.txt
-sleep for a bit and then (this is because i dont know when my command is done running.. this is a retarded way of doing it since some commands take a lot longer than others)
-open another channel(Exec) and send "cat tmpfile.txt" then read the input stream
-remove the temp file



********************start of sample code**********

    commandToRun=commandToRun + " > "+tempFile+"\n";
    byte[] bytes = commandToRun.getBytes();
    ByteArrayInputStream bais=new ByteArrayInputStream(bytes);

try {  ..... //session connection stuff
        .....
       
        Channel channel=session.openChannel("shell");
        ((ChannelShell)channel).setInputStream(bais);
        channel.connect();

        try{Thread.sleep(1500);}catch(Exception ee){}  

        Channel channel2=session.openChannel("exec");
        ((ChannelExec)channel2).setCommand("cat "+tempFile+"\n");      
        InputStream in1=channel2.getInputStream();
        channel2.connect();

        //channel 3 deletes the temp file

**********************end of sample code **************************



There must be a better way of doing this... 
What about a way to know when the command is done? Since the first channel is a shell, i dont think you can wait for is to be .isClosed() since it never is.

Thank you very much for your help.


Mike


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