FileNameJoin

FileNameJoin[{"name₁","name₂",…}]

joins the name_i together into a file name suitable for your current operating system.

joins the name_i to the path in the specified cloud object.

joins the name_i to the path in the specified local object.

Details and Options

The "name_i" can be either individual names or file paths containing pathname separators.
FileNameJoin[{"","name₁",…}] gives an absolute file path beginning with a pathname separator.
FileNameJoin[…,OperatingSystem->"os"] yields a file name in the format for the specified operating system. Possible choices are "Windows", "MacOSX", and "Unix".
FileNameJoin just assembles a file name; it does not actually search for the file specified.
FileNameJoin["name"] canonicalizes the file name "name", making pathname separators appropriate for your operating system. FileNameJoin also works with file-based URLs.

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Give a system-dependent file name:

Append the file name to a path:

On Windows, the share name is treated as a single unit:

Construct a cloud object from a directory cloud object and a file name:

Append file name to a cloud object:

Append paths to a local object:

Deploying to a cloud path generated with FileNameJoin will fail if the parent object is not a directory:

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