Sometimes the simple tricks are the best:

machine:~ > telnet hostname 25
Trying 192.168.0.1...
Connected to hostname.
Escape character is '^]'.
220 hostname.domain ESMTP Postfix
QUIT
221 Bye
Connection closed by foreign host.
compare to:
machine:~ > telnet hostname 25 | tail +4
220 hostname.domain ESMTP Postfix
QUIT
Connection closed by foreign host.
221 Bye
I'm not sure you won't still have line vs character mode issues, but it might help.

In reply to Re: Modifying STDOUT and keeping control by Tardis
in thread Modifying STDOUT and keeping control by Anonymous Monk

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