Unix testrunner.sh - specify "-c" test case with spaces

Here's something I've been having problems with and have finally solved.
Thought it might be useful to someone.

When you're running the testrunner.sh or .bat you can specify a test case name with "-c".
If that test case name contains spaces then on Windows you can double quote the value
e.g. -c"my test case name"
This doesn't seem to work for me on Unix, so I have found you just replace all the spaces with %20
e.g. -cmy%20test%20case%20name

Related to this old thread:
viewtopic.php?f=5&t=4300&p=14644&hilit=testrunner+sh+spaces&sid=d09174461055c661ff8f457b86d9aa8d#p14644

Hope this helps someone,

csadler