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Self-Configuring Executables: Why Filenames Beat Flags

Hacker News •
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A new programming approach suggests ditching traditional command-line flags and configuration scripts in favor of self-describing executables that read their own filenames. Instead of complex setup procedures, these programs parse their names to determine behavior, making them instantly portable and shareable without any environment dependencies.

This method solves common portability problems. Traditional flags require command-line sharing or wrapper scripts that break across systems. Configuration files add another layer of complexity. By encoding everything in the filename, developers create truly self-contained applications that work anywhere without setup. The concept transforms filenames from simple identifiers into functional interfaces.

Practical applications span multiple domains. AI researchers can create experiment runners like train---resnet50---lr0.001---batch32---cifar10.exe that automatically configure themselves. Installers can package entire deployment processes in names like install_PY3_MODULE_NAME.exe. Network tools can establish VPN tunnels through descriptive names like lounge-room---friends-machine---t25565---minecraft.exe. Each executable performs its task immediately upon launch, with renaming providing instant reconfiguration.