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10/16
Trend10/16/2026

The Anti-AI Trend: Hardcore Programmer Writes a C Directory Viewer from Scratch

Amid the rise of AI-assisted coding, developer Hayyoth implemented a lightweight tool akin to the tree command by consulting books and writing code by hand.

As generative AI deeply permeates software development, a hardcore coding culture emphasizing "understanding from scratch" is making a comeback in certain developer communities. Recently, YouTube creator Hayyoth published a video demonstrating the creation of a C-language directory tree viewer entirely without AI tools, relying solely on technical books. Built for a POSIX environment, the core code uses only basic file operations such as opendir and readdir, along with d_type checks. Although the project has garnered few views on GitHub, its philosophy of rejecting AI dependency and returning to programming basics has sparked widespread discussion about the autonomy of developers' skills. Experts note that while such simple tools can be quickly generated by AI, the process of handwriting them aids deep understanding of operating system internals and holds irreplaceable value for beginners building a solid foundation in systems programming.

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