Filevar:write() - Keithley 2651A Reference Manual

Model 2651A High Power System SourceMeter® Instrument Reference Manual
Usage
position, errorMsg = fileVar:seek()
position, errorMsg = fileVar:seek(whence)
position, errorMsg = fileVar:seek(whence, offset)
position
errorMsg
fileVar
whence
offset
Details
The whence parameters may be any of the following:
"set": Beginning of file
"cur": Current position
"end": End of file
If an error is encountered, it is logged to the error queue, and the command returns nil and the error string.
Also see
io.open() (on page 7-100)
Reading errors

fileVar:write()

This function writes data to a file.
Type TSP-Link accessible
Function No
Usage
fileVar:write(data)
fileVar:write(data1, data2)
fileVar:write(data1, ..., datan)
fileVar
data
data1
data2
datan
Details
This function may buffer data until a flush (fileVar:flush() or io.flush()) or close (fileVar:close()
or io.close()) operation is performed.
2651A-901-01 Rev. A / March 2011
The new file position, measured in bytes from the beginning of the file
A string containing the error message
The file descriptor variable
A string indicating the base against which offset is applied; the whence
attribute is optional (default is "cur")
The intended new position, measured in bytes from a base indicated by
whence; (optional, default is 0)
(on page 8-2)
Affected by
The file descriptor variable
Write all data to the file
The first data to write to the file
The second data to write to the file
The last data to write to the file
Where saved Default value
Section 7: Command reference
7-85