100-process_and_pid_file

#!/usr/bin/env bash
#Bash script that:
#Creates the file /var/run/myscript.pid containing its PID
#Displays To infinity and beyond indefinitely
#Displays I hate the kill command when receiving a SIGTERM signal
#Displays Y U no love me?! when receiving a SIGINT signal
#Deletes the file /var/run/myscript.pid and terminates itself when receiving a SIGQUIT or SIGTERM signal

sudo touch /var/run/myscript.pid
sudo chmod +x /var/run/myscript.pid
echo $$ > /var/run/myscript.pid

trap "echo I hate the kill command; sudo rm /var/run/myscript.pid" SIGTERM
trap "echo Y U no love me?!" SIGINT
trap "sudo rm /var/run/myscript.pid" SIGQUIT

while ((1))
do
	echo "To infinity and beyond"
	sleep 2
done