Model DMM7510 7½ Digit Graphical Sampling Multimeter Reference Manual
Section 8: TSP command reference
DMM7510-901-01 Rev. B / May 2015
8-211
file.open()
This function opens a file on the USB flash drive for later reference.
Type
TSP-Link accessible
Affected by
Where saved
Default value
Function
No
Usage
fileNumber
= file.open(
fileName
,
accessType
)
fileNumber
A number identifying the open file that you use with other file commands to write,
read, flush, or close the file after opening
fileName
The file name to open, including the full path of file
accessType
The type of action to do:
•
Append the file:
file.MODE_APPEND
•
Read the file:
file.MODE_READ
•
Write to the file:
file.MODE_WRITE
Details
The path to the file to open must be absolute.
The root folder of the USB flash drive has the following absolute path:
"/usb1/"
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