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results =  1

Error: File: testfile.m Line: 13 Column: 1
Function definitions in a script must appear at the end of the file.
Move all statements after the "do_thing" function definition to before the first local function
definition.

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results =

     1

Starting...
error: 'do_thing' undefined near line 8 column 11
error: called from
    testfile at line 8 column 9