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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

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

Keithley DMM7510 Reference Manual

Other manuals for Keithley DMM7510