Once flmake have been run several time, it is possible that the user will notice a significant error in the way the simulation was designed. Therefore it is occasionally useful to be able to delete just the flmake-generated files and directories from the project. The clean command does this while retaining history, simulation source, and other metadata for the project.
USAGE:
flmake clean [<level>]
The optional level is given as an integer with the following meaning (default 1):
For the purposes of the clean command, the run directories are only those which start with the run_dir_prefix (default run-). All other directories, even if the contain the results of a FLASH run, are ignored.