Tektronix KEITHLEY 2600B Series

Series 2600B System SourceMeter® instrument Reference Manual Section 9: TSP command reference
2600BS-901-01 Rev. F/August 2021 9-121
io.read()
This function reads data from the default input file.
Type
TSP-Link accessible
Affected by
Where saved
Default value
Function
Yes
Usage
data1 = io.read()
data1 = io.read("format1")
data1, data2 = io.read("format1", "format2")
data1, ..., dataN = io.read("format1", ..., "formatN")
data1
The data read from the file
data2
The data read from the file
dataN
The data read from the file; the number of return values matches the number of
format values given
format1
A string or number indicating the type of data to be read
format2
A string or number indicating the type of data to be read
formatN
A string or number indicating the type of data to be read
...
One or more entries (or values) separated by commas
Details
The format parameters may be any of the following:
Format parameter
Description
"*n"
Returns a number
"*a"
Returns the whole file, starting at the present position; returns an empty string if it is at
the end of file
"*l"
Default setting; returns the next line, skipping the end of line; returns nil if the present
file position is at the end of file
N
Returns a string with up to N characters; returns an empty string if N is zero (0); returns
nil if the present file position is at the end of file
Any number of format parameters may be passed to this command, each corresponding to a returned
data value.