Model 2651A High Power System SourceMeter® Instrument Reference Manual Section 7: Command reference
2651A-901-01 Rev. A / March 2011 7-101
Details
The path to the file to open may be absolute or relative to the current working directory.
If an error is encountered, the command returns nil and an error string.
Example
testFile, testError = io.open("testfile.txt","w")
if testError == nil then
testFile:write("This is my test file")
end
io.close(testFile)
Also see
io.close() (on page 7-99)
io.output()
This function assigns a previously opened file, or opens a new file, as the default output file.
Type TSP-Link accessible Affected by Where saved Default value
Function Yes (see Details)
Usage
fileVar = io.output()
fileVar = io.output(newfile)
fileVar
The descriptor of the output file or an error message (if the function fails)
newfile
A file descriptor to assign (or the path of a file to open) as the default output
file
Details
The path of the file to open may be absolute or relative to the current working directory.
When accessed from a remote node using the TSP-Link
®
network, this command does not accept a file
descriptor parameter and does not return a value.
If the function fails, an error message will be returned.
Also see
io.input() (on page 7-100)
io.open()
(on page 7-100)
io.read()
This function reads data from the default input file.
Type TSP-Link accessible Affected by Where saved Default value
Function Yes
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