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#!/bin/sh
# A minimal UNIX terminal interface to Metratec devices
# Requirements: socat, rlwrap
# To connect using a FTDI serial device node
# (requires the `ftdi_sio` driver or a native COM/UART port), e.g.: metraLine /dev/ttyUSB0
# To connect to a product with builtin ethernet via TCP, e.g.: metraLine 192.168.2.239
if [ -c $1 ]; then
# Assume $1 to be a serial device node
ADDRESS=FILE:$1,nonblock,raw,echo=0,b115200,cs8
else
# Assume $1 to be an IP and $2 to be an optional port
ADDRESS=TCP:$1:${2:-10001}
fi
rlwrap -rS "> " socat $ADDRESS,cr STDOUT
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