I'll take funniest and pedagogically useful for my flub at UW teaching with
Titus Brown.
I tasked the students with a few shell problems, last of which was to
combine knowledge of wildcards and basic piping to list only the
directories in the current path. This was a problem I came up with on the
fly, not realizing how difficult it actually was and not knowing ls -d yet
myself! Everyone made many good attempts learning along the way and
expected a bind-blowing answer. But all I had to say was "It was a trick
question!" Luckily someone in the room knew ls -d and we all learned
something. I suspect Titus was just amused by my situation and wanted to
see how I dealt with it :)

On Sat, Jan 23, 2016 at 1:50 PM, Greg Wilson <
[email protected]> wrote:

> Hi everyone,
>
> Really enjoying this discussion, but it's got me wondering: what was the
> best (funniest or most pedagogically useful) error you ever made in front
> of a class?  Or saw someone else make?
>
> cheers,
> Greg
>
> --
> Dr Greg Wilson
> Director of Instructor Training
> Software Carpentry Foundation
>
>
> _______________________________________________
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>
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>
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