DocumentationMathematicaBuilt-in FunctionsSystem InterfaceFile System
FileByteCount["file"] gives the number of bytes in a file.
If a particular file is moved from one computer system to another, the number of bytes in the file as reported by FileByteCount may change.
See Section 2.12.6.
See also: StringLength, FileType.
Related package: Utilities`BinaryFiles`.
New in Version 2.