When two or more directories are created, the TOCLEAN varibale
would get set such that the names were combined, for example:
"/tmp/tmp.yPVhYrqh7B/tmp/tmp.LyRBDyiGew"
By prepending a space, we get something like:
" /tmp/tmp.yPVhYrqh7B /tmp/tmp.LyRBDyiGew"
which will be passed to the "rm" command.
When two or more directories are created, the TOCLEAN varibale would get set such that the names were combined, for example: "/tmp/tmp.yPVhYrqh7B/tmp/tmp.LyRBDyiGew" By prepending a space, we get something like: " /tmp/tmp.yPVhYrqh7B /tmp/tmp.LyRBDyiGew" which will be passed to the "rm" command.