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ection 7: Introduction to TSP operation Model 2450 Interactive SourceMeter® Instrument

Reference Manual

7-12 2450-901-01 Rev. B/September 2013

Function and variable name restrictions

You cannot use Lua reserved words and top level command names for function or variable names.

You cannot use the following Lua reserved words for function or variable names. If you attempt to

assign these, the error message -285, "TSP Syntax error at line x: unexpected symbol near 'word' " is

displayed, where word is the Lua reserved word.

Lua reserved words

and

for

break

function

repeat

return

else

then

elseif

local

true

end

nil

until

false

not

while

Values and variable types

In Lua, you use variables to store values in the run-time environment for later use.

Lua is a dynamically-typed language; the type of the variable is determined by the value that is

assigned to the variable.

Variables in Lua are assumed to be global unless they are explicitly declared to be local. A global

variable is accessible by all commands. Global variables do not exist until they have been assigned a

value.

Keithley 2450 User Manual

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