Consume consumes the given io.Reader and returns a temporary file that will be deleted when it is closed.

IsCorrupted returns true if the given error has occured during copying.

Mktemp creates a new temp file in a predefined temporary directory.

UseFile is a lower-level function that opens a file and calls fn with it.

UseFileWithPattern is the same as UseFile, but it also takes a temporary file pattern.

WriteFile writes b to the file in path atomically.

TempFile is a temporary file.