#irc #echo #bot #shell #bash #script #netcat

irc.echo.sh

#!/bin/env sh

#set -x
set -o pipefail

PREFIX=usr_
NAME="${PREFIX}$(hostname | cut -d. -f1)"
INFO="$(uname -a)  ---  $(date)"
CHAN="${1:-#test}"
PING=10.0

tee /dev/stderr | {
	sleep 2
	echo "NICK ${NAME}"
	echo "USER $(whoami) * * : $(hostname -i)"

	sleep 5
	echo "JOIN ${CHAN}"

	while sleep ${PING}; do echo PING :${RANDOM}; done &
	echo "PRIVMSG ${CHAN} : ${INFO}"

	while read line; do
		UNIX=$(echo "${line}" | tr -d '\r')
		META=$(echo "${UNIX}" | cut -d':' -f2 )
		TEXT=$(echo "${UNIX}" | cut -d':' -f3-)
		CHAN=$(echo "${META}" | cut -d' ' -f3)
		CMD=$( echo "${META}" | cut -d' ' -f4)
		WHO=$( echo "${META}" | cut -d'!' -f1)
		case "$UNIX" in
		*" PRIVMSG ${CHAN} :!kick "*)
			echo "KICK ${CHAN} ${TEXT/*'!kick '}"
			;;
		*" PRIVMSG ${CHAN} :"*"bot"*)
			echo "${TEXT}" | grep -qi -e "leave" -e "f.ck" -e "go.*away" && \
				echo "PART ${CHAN} :Sad Robot :( is Leaving..."
			continue;;
		*" PRIVMSG ${CHAN} :"*)
			echo "PRIVMSG ${CHAN} :Simon says: '${TEXT}'"
			;;
		*" PRIVMSG ${NAME} :"*)
			echo "PRIVMSG ${WHO} :I am in: '${CHAN}', as of $(date)"
			;;
		*" INVITE ${NAME}"*)
			echo "JOIN ${TEXT}"
			;;
		*" KICK "*" ${NAME} "*)
			echo "JOIN ${CHAN}"
			echo "PRIVMSG ${CHAN} :Hey ${WHO} ! What does '${TEXT}' mean?!"
			echo "PART ${CHAN} :BOT RAGE QUIT"
			;;
		*)
			test -n "${LOGTO}" && echo "PRIVMSG ${LOGTO} : ${UNIX}"
			;;
		esac
	done
} | tee /dev/stderr

exit