Saving all output to "!!{outputDirectory}!!/udf_subtract.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/udf_subtract.q
>>>  DESCRIBE FUNCTION -;
'tab_name'
'a - b - Returns the difference a-b'
1 row selected 
>>>  DESCRIBE FUNCTION EXTENDED -;
'tab_name'
'a - b - Returns the difference a-b'
1 row selected 
>>>  !record