>What you would like to do is probably better done using expect.
 	i would not like to do it using expect. i would
like to try bidirectional communication. but i m newbie
to IPC so would be helpful if anybody commes with a
decription on how bidirectional communication is done?
what precautions should be taken?, ...

 	online docs on bidirectional communication will
be of great help.

mehul.

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