Software⏱️ 2 min read📅 2026-06-03

How to Fix: Tool to monitor folder for new files and run command whenever new file is detected

Monitor folder for new files and run command in bash script.

Quick Answer: Use the watch command to monitor a folder for changes, or implement an inotifywait solution.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🚀 How to Resolve This Issue
  3. 💡 Conclusion

To immediately detect when new files are added to a folder within a bash script, you can use the watch command in combination with find and inotifywait (for Linux systems) or osxfs_usage (for macOS). This will allow your script to process files as soon as they are created in the folder, without relying on scheduling a cron job.

⚠️ Common Causes

  • Insufficient permissions to monitor the folder

🚀 How to Resolve This Issue

Method 1: Using watch and find

  1. Step 1: Install the necessary package using apt-get or yum for Linux systems, or brew install watch for macOS.

Method 2: Using inotifywait (for Linux)

  1. Step 1: Install the necessary package using apt-get or yum for Linux systems.

💡 Conclusion

By using the watch command in combination with find and inotifywait (for Linux), you can create a bash script that detects when new files are added to a folder without relying on scheduling a cron job.

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