8: TSP command reference Model 2450 Interactive SourceMeter® Instrument
8-60 2450-901-01 Rev. B/September 2013
Example
file_num = file.open("testfile.txt",
file.MODE_WRITE)
if file_num != nil then
file.write(file_num,"This is my test file")
file.close(file_num)
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.
Type TSP-Link accessible
Affected by Where saved Default value
Function No
Usage
fileContents = file.read(fileNumber, readAction)
The contents of the file based on the readAction parameter
The file number from file open command of the file to read
• Return the next line; returns nil if the present file position is at the end of the
file: file.READ_LINE
• Return a string with up to n characters; returns an empty string if n is zero;
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 an empty string
if the present file position is at the end of the file:
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
thumb drive for reading. If it
opens successfully, read the
entire contents of the file and
store it in variable
file_contents.
Also see
None