killport.sh

#!/bin/bash

# Kills processes located at specific ports
# killport 8000 
# killport 8001 8001

for port in "$@"
do
  # Echoes pid of process at port
  pid=$(lsof -t -i:$port)

  # $? = exit status of last command, 0 = success, 1 = failure

  if [ "$?" = "0" ]; then
    kill $pid
    echo "Killed process $pid at port $1 🎉"
  else
    echo "No process found at port $1 👎"
  fi
done