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Capture errset stdout into a variable

Trevor F

Good evening, I'm attempting to make a "function linter" to run a couple generic test cases through a function to ensure it succeeds a baseline.

My current workflow is running them through an errset. I see that errset has a t/nil property for printing the error, but I need access to the actual error string. Is there a solid way to redirect the stdout into a variable? I can see redirecting it into a file and reading it into a variable but that route seems erroneous. 

Example:
procedure(test(x) unless(x == 1 error("generic error"))
res = errset(apply('test list(2)) t)
prints: *Error* generic error


Thanks, Trevor

Parents
  • Trevor F

    ipcProcess is another prospect I suppose?

  • mbracht
    in reply to Trevor F

    Hi,

    The actual error message is available in the symbol property errset.errset. Technically it is a list with the 5th element being a sublist with it's first element being the actual error as a string...try this:


    (unless (errset 1/0) (println (car (nth 4 errset.errset))))

    regards
    Max

  • Trevor F
    in reply to mbracht

    That is perfect thank you! 

Reply
  • Trevor F
    in reply to mbracht

    That is perfect thank you! 

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