freethousand-with-dialog.sh

function freethousand() {
  port="${1:-3000}"
  death_level="${2:-SIGINT}"

  programs=$(lsof -i tcp:$port | grep "[0-9]" | awk '{print $2" "$1 }' | uniq)
  if [ -z "$programs" ]; then
    echo "No processes running on port $port"
    return
  fi
  TMPFILE=$(mktemp)

  options=$(echo "$programs" | wc -l)
  dialog --menu "Kill($death_level) processes running on $port:" 15 50 $options $programs 2>$TMPFILE

  pid=$(cat $TMPFILE)
  rm $TMPFILE

  if [ -z "$pid" ]; then
    return
  else
    kill -$death_level $pid
  fi
}

freethousand.sh

function freethousand() {
  port="${1:-3000}"
  death_method="${2:-SIGINT}"
  echo "Processes running on port $port"
  PS3="Select process: "

  programs=$(lsof -i tcp:$port | grep "[0-9]" | awk '{print $1"-"$2 }' | uniq)

  if [ -z "$programs" ]; then
    echo "No processes running on port $port"
  fi

  select pro in $programs
  do
    pid=$(echo "${pro//-/ }" | awk '{print $2}')
    if [ -z "$pid" ]; then
      echo "You did not make a selection"
    else
      echo "kill -$death_method $pid"
      kill -$death_method $pid
    fi
    
    break
  done
}