Logfiles are not removed

[kajny]

Generated logfiles in /tmp are not remove even when doing a clean exit in mosh.
My /tmp is full if stuff like log-EquationFor1.mo

[Peter Aronsson]

These logfiles comes from the testsuite, so if someone is good at writing perl
programs, please fix it..

[Adrian Pop]

Logs are good for the tests. I vote to not remove them.
Is quite easy to remove them and if people want that we could do it like this:
if the "runone" returns 0 AND

we're not in verbose mode AND
there were no warnings.

then

system "rm -rf $log";

I will close this bug. We can open it later if needed.