Report current working directory of a process by port

portpwdx.bash

# Report current working directory of a process by port
function pwdx {
  # lsof -a -p $1 -d cwd -n | tail -1 | awk '{print $NF}'
  lsof -a -p $1 -d cwd -n
}

portpwdx () {
    pid=$(lsof -i :$1 | tail -1 | perl -pe 's/[^\s]+\s+([^\s]+)\s.*/$1/')
    if [[ ! -z $pid ]]
    then
        # echo $pid
        pwdx $pid
        return 0
    else
        echo "No process listening to port $1"
        return -1
    fi
}