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Showing content from https://timsong-cpp.github.io/cppwp/n4659/fs.op.create_directories below:

[fs.op.create_directories]

30 Input/output library [input.output] 30.10 File systems [filesystems] 30.10.34 Filesystem operation functions [fs.op.funcs] 30.10.34.6 Create directories [fs.op.create_directories]

bool create_directories(const path& p); bool create_directories(const path& p, error_code& ec) noexcept;

Effects: Establishes the postcondition by calling create_­directory() for any element of p that does not exist.

Postconditions: is_­directory(p).

Returns: true if a new directory was created, otherwise false. The signature with argument ec returns false if an error occurs.

Complexity: O(n) where n is the number of elements of p that do not exist.


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