Model 2461 Interactive SourceMeter® Instrument Reference Manual
Section 8: TSP command reference
2461-901-01 A/November 2015
8-75
Example
file_num = file.open("/usb1/testfile.txt",
file.MODE_WRITE)
if file_num != nil then
file.write(file_num, "This is my test file")
file.close(file_num)
end
Opens file
testfile.txt
for writing.
If no errors were found while opening,
writes
This is my test file
and
closes the file.
Also see
None
file.read()
This function reads data from a file on the USB flash drive.
Type
TSP-Link accessible
Affected by
Where saved
Default value
Function
No
Usage
fileContents
= file.read(
fileNumber
,
readAction
)
fileContents
The contents of the file based on the
readAction
parameter
fileNumber
The file number returned from the
file.open()
function to read
readAction
The action:
•
Return the next line; returns
nil
if the present file position is at the end of the
file:
file.READ_LINE
•
Return a string that represents the number found; returns an event string if no
number was found; returns
nil
if the current file position is at the end of file:
file.READ_NUMBER
•
Return the whole file, starting at the present position; returns
nil
if the
present file position is at the end of the file:
file.READ_ALL
Details
This command reads data from a file.
Example
file_num = file.open("/usb1/testfile.txt",
file.MODE_READ)
if file_num != nil then
file_contents = file.read(file_num, file.READ_ALL)
file.close(file_num)
end
Open
testfile.txt
on the
USB flash drive for reading. If
it opens successfully, read the
entire contents of the file and
store it in variable
file_contents
.
Close the file.
Also see
None
