To expand what NetWallh said, when you telnet to port 1998 with the command below, does it send a response, or do you need to send a request in order to get a response?

telnet $SWITCH_ADDRESS 1998

print "Good ",qw(night morning afternoon evening)[(localtime)[2]/6]," fellow monks."

In reply to Re^3: help me on socket programming by Utilitarian
in thread help me on socket programming by bh_perl

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