chickadee » csi » toplevel-command

toplevel-command SYMBOL PROC #!optional HELPSTRINGprocedure

Defines or redefines a toplevel interpreter command which can be invoked by entering ,SYMBOL. PROC will be invoked when the command is entered and may read any required argument via read (or read-line). If the optional argument HELPSTRING is given, it will be listed by the ,? command.