#! /bin/bash

if [ $# -ne 1 ]; then
		echo "Usage: $0 identifier"
		exit 1
fi

trap 'rm -f "$1.pipe"; exit 0;' INT

mkfifo "$1.pipe"
exec 3<> "$1.pipe"

while true; do
		echo -n "Please, enter a command: "
		read req args

		if [ -n "$req" ]; then
				echo "$req" "$1" "$args" >mini-facebook.pipe

				read ok msg <&3

				if [ "$ok" = "start-of-file" ]; then
						while [ "$ok" != "end-of-file" ]; do
								read ok <&3
								if [ "$ok" != "end-of-file" ]; then
										echo $ok
								fi
						done
				elif [ "$ok" = "ok" ]; then
						echo "Command successfuly executed"
				else
						echo "Error $ok: $msg"
				fi
		fi
done