#!/bin/bash

# copyright (c) 2012, P. Lutus
# released under the GPL

hamlib_port=4532

# define rigctld network call
nccom="nc localhost $hamlib_port"

HISTFILE="$HOME/.hamlibhistory"

# read past Hamlib command history
history -r

if [ -z $1 ]; then
  read -ep "enter launch arguments for rigctld: " params
  history -s '' "$params"
else
  params="$@"
fi

# exit function
function quitfunc {
  # save history
  history -w
  echo "Quitting ..."
  echo "\set_powerstat 0" | $nccom
  sleep 0.25
  kill $proc
  exit
}

# launch hamlib daemon with supplied parameters
rigctld $params &

# get daemon process number
proc=$!

# exit gracefully
trap 'quitfunc' EXIT

# accept typed commands
while true; do
  # history-enabled readline
  read -ep "Enter rigctld command (q = quit): " line
  # quit if user wants
  [ "$line" == 'q' ] && break
  history -s '' "$line"
  echo "$line" | $nccom
done