Primitive example of a self-aware program that passes the mirror test

self-aware.sh

#!/usr/bin/env bash
  
# Continuously kill processes
# Use Ctrl+C to exit

while true
do
    read -p "kill " pid

    if [[ "$pid" == $$ ]]
    then
        echo "I can't kill my own process!"
    else
        echo "Killing processing $pid..."
        kill $pid
    fi
done