fg.script

#!/bin/bash
#

# to aid in cleanup when using Ctrl-C to exit strace
trap "pkill -f -x 'nc -k -l -U $HOME/test.sock'; exit" SIGINT

# Start listening for notifications
nc -k -l -U $HOME/test.sock | \
  while read type message; do
    echo "$(echo -n $type | base64 -di -)" "$(echo -n $message | base64 -di -)" >> /tmp/msg
  done &

read