Multichannel Systems NeuroExplorer - Manual (Page 159)

5.5.1.17. FileSeek Function
FileSeek Function
Repositions file pointer by the specified offset.
Syntax
double FileSeek(fileID, offset, type)
Parameters
Parameter Type Description
fileID double File ID received from OpenFile function.
offset double Number of bytes to move the file pointer.
type string Pointer movement mode. Should be "begin",
"current" or "end".
Returns
The new byte offset from the beginning of the file.
Comments
FileSeek(file,0,"end") returns file size in bytes. FileSeek(file,0,"current") returns current file position.
Usage
NexScript
% open binary file in read mode
file = OpenFile("C:\binaryfile.dat", "r")
% get file length
fileLength = FileSeek(file, 0, "end")
% move pointer 4 bytes from the beginning of the file
newPosition = FileSeek(file, 4, "begin")
See Also
Introduction to NexScript Programming
NexScript Function Categories
Page 157