snipplets.dev/code/Bash/unix-socket-server.sh

#!/bin/bash

# TODO: Добавить описание и пример работы

# TCP
# coproc nc -l localhost 3000

# UnixSocket
coproc nc -l -U ./app.sock

while read -r cmd; do
    case $cmd in
        d) date ;;
        q) break ;;
        *) echo 'Try again?'
    esac
done <&"${COPROC[0]}" >&"${COPROC[1]}"

kill "$COPROC_PID"