Read and write UNIX sockets from BASH

unix_socket.sh

#!/bin/bash

while true; do
  SKT_PATH=/var/run/mysock.sock
  rm $SKT_PATH

  INPUT=$(mktemp -u)
  mkfifo -m 600 "$INPUT"
  OUTPUT=$(mktemp -u)
  mkfifo -m 600 "$OUTPUT"

  (cat "$INPUT" | nc -U "$SKT_PATH" > "$OUTPUT") &
  NCPID=$!

  exec 4>"$INPUT"
  exec 5<"$OUTPUT"

  echo "$POST_LINE" >&4
  read -u 5 -r RESPONSE;
  echo "Response: '$RESPONSE'"
done
kill $NCPID