[racket] how to trace stack by command line tools?

On Thu, Feb 02 2012, Danny Yoo wrote:

[...]

> There's also an "errortrace" module that can help produce stack traces:
>
>     http://docs.racket-lang.org/errortrace/using-errortrace.html
>
> You need to do a little work to hook it into your program.  For an
> example, see the very top startup script of Eric Hanchrow's rudybot:
>
>     https://github.com/offby1/rudybot/blob/master/freenode-main.rkt
>
> where you'll see that it has the line:
>
>     exec racket -l errortrace --require "$0" --main -- ${1+"$@"}
>
> at the top: that's one way to hook errortrace in.

Just a note (since the OP mentioned he's using it): geiser already loads
errortrace in its REPLs, so using geiser is another way.

Cheers,
jao
-- 
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