How to initialize an array in Tcl? -

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What is the proper way to start an empty array in TCL?

I have the following code (simplified): 

  proc parseFile {filename results_array} {upvar $ results_array result set result (key) $ value} set r1 {} parseFile "Filename" r1

and I get the error:

Error: "Result (key)" can not be set: variable is not the array < / P>

You do not start the arrays in TCL, when you set up a member They look like: 

  proc stash {key array_name}} {upvar $ array_name one set ( $ Key} $ value} stash one pvr 1 hide two PVR 2 array name PVR

yield: 

  two one

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