19-60
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2600AS-901-01 Rev. B / September 2008
Section 19: Remote Commands
Series 2600A System SourceMeter® Instruments Reference Manual
file:seek
Function
Sets and retrieves a file’s current position.
TSP-Link
accessibility
This function cannot be accessed from a remote TSP-Link node.
Usage
position, errormsg = file:seek()
position, errormsg = file:seek(whence)
position, errormsg = file:seek(whence, offset)
position
The new file position, measured in bytes from the
beginning of the file.
errormsg
Indicates whether an error was encountered while
processing the function.
file
The descriptor of the file.
whence
A string indicating the base against which offset is applied.
Default is “
cur
”.
offset
The intended new position, measured in bytes from a base
indicated by
whence
. Default is
0
.
Remarks
•
The
whence
parameter may be any of the following:
"set"
: beginning of file
"cur"
: current position
"end"
: end of file
•
If an error is encountered, the command returns
nil
and the error string.
file:write
Function
Writes data to a file.
TSP-Link
accessibility
This function cannot be accessed from a remote TSP-Link node.
Usage
file:write(data1)
file:write(data1, data2)
file:write(data1, ..., datan)
data1
The data to be written.
data2
The data to be written.
datan
The data written to the file. The number of data items
written matches the number of values given.
file
The descriptor of the file to be written.
Remarks
• An arbitrary number of data values may be passed to this command.
• You must use strings or numbers as parameters.
