File I/O operations transfer data between LabVIEW and files for reading, writing, and managing file content.

File I/O operations pass data to and from files. Use the VIs and functions on the File I/O palette to handle all aspects of file I/O, including the following:

  • Opening and closing data files.
  • Reading data from and writing data to files.
  • Reading from and writing to spreadsheet-formatted files.
  • Moving and renaming files and directories.
  • Changing file characteristics.
  • Creating, modifying, and reading a configuration file.

You can open, read or write, and close a file using a single VI or function. You also can use a function to control each step in the process.

Refer to the labview\examples\File IO directory for examples of file I/O operations.