How Can I Get the Executable Path Cross-Platform?

Getting the Path of the Executable Cross-Platform

In the realm of programming, determining the path to the currently executing executable remains a persistent challenge. This article delves into the intricate details of obtaining this path in a platform-independent manner.

Platform-Agnostic Approaches

One might initially assume that boost::filesystem::initial_path provides a solution to the cross-platform requirement. However, as discovered, it solely addresses the portability aspect by returning the path from which the application was initiated. This falls short of providing the executable's path.

Platform-Specific Solutions

Despite the lack of a definitive cross-platform solution, platform-specific approaches 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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