Large File Generator in Python

This Python script helps you generate large binary files (e.g., multiple GBs) using os.urandom. It's a handy tool for testing disk performance, network transfer speeds, backup systems, and more.

---

🎯 Features

• Generate files of arbitrary size (in GB).
• Useful for performance testing and simulation.
• Simple and memory-efficient design.
• Optionally add progress bar or automatic file deletion.

---

💡 Why This Tool?

Generating large files manually can be time-consuming or inefficient. This script automates that and supports the following real-world use cases:

---

✅ 1. Disk I/O Benchmarking

• Use: Measure how fast your disk can write data.
• Example: Compare SSD vs HDD write speeds.
• Real world: Data centers, system admins testing new hardware.

---

✅ 2. Network Testing (with generated files)

• Use: Test how fast a network can transfer large files.
• Example: FTP, HTTP, or SFTP file upload/download test.
• Real world: Network engineers, DevOps engineers.

---

✅ 3. Backup & Restore System Testing

• Use: Validate how long it takes to back up or restore large files.
• Example: Creating dummy backup archives.
• Real world: IT backup systems, cloud storage services.

---

✅ 4. Stress Testing Applications

• Use: See if an application can handle large file input/output.
• Example: Media processing apps, file editors, data migration tools.
• Real world: Software QA testers.

---

✅ 5. Space Consumption Simulation

• Use: Fill disk to see how system behaves under low-disk space.
• Example: Simulate low-storage warnings or behavior.
• Real world: Embedded system devs, OS developers.

---

✅ 6. Forensics and Recovery Tools Testing

• Use: See if recovery tools can identify patterns or handle large binary blobs.
• Example: Deleted large files recovery.
• Real world: Cybersecurity or digital forensics experts.

---

✅ 7. Cloud Storage Cost Estimation

• Use: Upload large files to check pricing tiers and behavior.
• Example: Upload to AWS S3, Google Cloud Storage, etc.
• Real world: Cloud architects, IT procurement teams.

---

🚀 How to Use

1. Clone the repository

git clone https://github.com/theusmandevlarge-file-generator.git
cd large-file-generator