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Owning Palette: Advanced File VIs and Functions

Use the Datalog functions to open and close datalog files, read from and write to datalog files, get and set datalog file positions, and get and set the number of datalog records.

Palette Object	Description
Close File	Closes an open file specified by refnum and returns the path to the file associated with the refnum.
Get Datalog Position	Returns the current datalog position of the datalog file specified by refnum.
Get Number of Records	Returns the size in records of the datalog file identified by refnum.
Open/Create/Replace Datalog	Opens an existing datalog file, creates a new datalog file, or replaces an existing datalog file, programmatically or interactively using a file dialog box. This function does not work for files inside an LLB.
Read Datalog	Reads records from an open datalog file specified by refnum and returns it in record(s). Reading begins at the current datalog position.
Set Datalog Position	Moves the current datalog position of the file identified by refnum to the datalog position indicated by offset (in records) according to the mode in from.
Set Number of Records	Sets the size in records of the datalog file identified by refnum.
Write Datalog	Writes record(s) to an open datalog file specified by refnum. Writing begins at the end of file.