How Can I Reliably Get the Executable Path Across Different Operating Systems?

Retrieving the Executable Path Cross-Platform

Question:

Despite previous inquiries, a consistent solution for retrieving the path to the running executable remains elusive. Is there a definitive answer, or is this a cross-platform impossibility?

Answer:

Unfortunately, there is no guaranteed cross-platform solution. However, operating system-specific methods exist:

• Linux:

  • Pass "/proc/self/exe" to std::filesystem::canonical or readlink.

• Windows:

  • Pass NULL as the module handle to GetModuleFileName.

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