kill_processes

#!/bin/bash

# Check if the disk name is provided as an argument
if [ -z "$1" ]; then
  echo "Usage: $0 <disk_name>"
  exit 1
fi

# Define the path to the external drive
DRIVE_PATH="/Volumes/$1"

# Check if the specified volume exists
if [ ! -d "$DRIVE_PATH" ]; then
  echo "The specified volume '$DRIVE_PATH' does not exist."
  exit 1
fi

# Function to show a loading bar
show_loading() {
  local -r pid="$1"
  local -r delay='0.2'
  local spinstr='|/-\'
  local i=0
  while ps -p "$pid" > /dev/null 2>&1; do
    i=$(( (i+1) %4 ))
    printf "\r[%s] Loading list process to kill ... " "${spinstr:$i:1}"
    sleep "$delay"
  done
  printf "\r[✓] Done.         \n"
}

# Run lsof in the background and get its PID
lsof_output=$(mktemp)
lsof | grep "$DRIVE_PATH" > "$lsof_output" &
lsof_pid=$!

# Show loading bar while lsof is running
show_loading $lsof_pid

# Wait for lsof to complete
wait $lsof_pid

# Read the lsof output
PROCESS_INFO=$(cat "$lsof_output")
rm "$lsof_output"

# Extract command name and PID from lsof output
PROCESS_LIST=$(echo "$PROCESS_INFO" | awk '{print $1, $2}' | sort -u)

# Kill each process and log the command name and PID
echo "$PROCESS_LIST" | while read -r COMMAND PID; do
  echo "Killing process $COMMAND with PID $PID accessing $DRIVE_PATH"
  kill -9 $PID
done

echo "All processes accessing $DRIVE_PATH have been killed."