27 Input/output library [input.output]

27.11 File systems [filesystems]

27.11.14 Filesystem operation functions [fs.op.funcs]

27.11.14.6 Create directories [fs.op.create_directories]

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bool create_directories(const path& p); bool create_directories(const path& p, error_code& ec);
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Effects: Calls create_­directory() for each element of p that does not exist.
2
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Returns: true if a new directory was created for the directory p resolves to, otherwise false.
The signature with argument ec returns false if an error occurs.
3
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Throws: As specified in [fs.err.report].
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Complexity: where n is the number of elements of p.