I always use File::Spec for assembling paths (although it isn't a standard practice where I work; I also use File::Temp and File::Copy for added safety and portability, but those modules are outside the scope of the question). Since File::Spec is part of the core distribution I probably wouldn't use a module that creates an extra dependency. Not sure about edge cases, but differences between absolute and relative paths could cause issues if they aren't standardized before comparison.

In reply to Re: Portable filename comparison for test files by bobf
in thread Portable filename comparison for test files by xdg

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