👁️ File Monitor Script (Python)

💡 CUSTOMIZABLE: You can change the WATCH_DIRECTORY variable to monitor any folder on your system.

📋 Script Information

Language
Python 3
Library
watchdog
License
MIT
Platforms
Windows, Linux, macOS

📌 Description

This Python script uses the watchdog library to monitor a specified directory for file system events. It prints real-time alerts to the console whenever files are created, modified, or deleted.

🔧 Features

📥 Download

⬇️ Download file-monitor.py

Right-click and "Save Link As..." if download doesn't start

⚙️ Configuration

Before running, edit the script to set your desired watch directory:

# Change this line to monitor any folder you want
WATCH_DIRECTORY = "C:\\Your\\Path"  # Windows example
# WATCH_DIRECTORY = "/home/user/Documents"  # Linux/macOS example

📝 Usage

# Install required library
pip install watchdog

# Run the script
python file-monitor.py

📋 Requirements

🔍 How It Works

  1. Script defines a custom event handler class that responds to file events
  2. Observer monitors the specified directory and its subdirectories
  3. When files are created, modified, or deleted, handler prints alerts to console
  4. Runs continuously until interrupted with Ctrl+C

📄 Full Script

import time
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler

# MIT License

# Copyright (c) [2026] [The Author]

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

# Define the folder you want to monitor **CHANGE PATH**
WATCH_DIRECTORY = "C:\\Your\\Path"  # Change this to your desired directory

class MyHandler(FileSystemEventHandler):
    """Handles file system events and prints an alert."""
    def on_modified(self, event):
        if not event.is_directory:
            print(f'ALERT: File modified: {event.src_path}')

    def on_created(self, event):
        if not event.is_directory:
            print(f'ALERT: File created: {event.src_path}')
    
    def on_deleted(self, event):
        if not event.is_directory:
            print(f'ALERT: File deleted: {event.src_path}')

if __name__ == "__main__":
    event_handler = MyHandler()
    observer = Observer()
    # Schedule the observer to watch the directory recursively
    observer.schedule(event_handler, WATCH_DIRECTORY, recursive=True)
    observer.start()

    print(f"Monitoring started for: {WATCH_DIRECTORY}. Press Ctrl+C to stop.")
    try:
        # Keep the script running until manually stopped
        while True:
            time.sleep(1)
    except KeyboardInterrupt:
        observer.stop()
    observer.join()

📜 License

This script is released under the MIT License. See the script header for full license text.

📦 Dependencies

💡 Example Output

Monitoring started for: C:\Your\Path. Press Ctrl+C to stop.
ALERT: File created: C:\Your\Path\newfile.txt
ALERT: File modified: C:\Your\Path\newfile.txt
ALERT: File deleted: C:\Your\Path\newfile.txt
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