I always create a module to handle program configuration, and I always call it Program::RC
Why not just write that module once, name it once, and then reuse it in each application? Better yet, why not just use a module that already exists for just such a purpose; something like AppConfig, for instance?
No matter how you access your config file — AppConfig, a home-brewed module, do $config or die $!, whatever — it's still best to hardcode the path in your program and allow it to be overridden with command-line args or envariables as necessary.
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