This command allows a string expression to be passed to the command-line interpreter. It overcomes the problems caused by the exclusion of variables in the star (*) commands. Using this statement, you can, for instance, erase and rename files whose names you only know at run-time.
filename$="SOMEFILE" command$="DEL "+filename$ OSCLI command$
source$="OLDNAME" dest$="NEWNAME" command$="REN "+source$+"="+dest$ OSCLI command$