(system-id-filename target)
The entity-generated-system-id of target seems to begin with a keyword, usually OSFILE on my system, in angle brackets. This function removes the leading OSFILE bit.
Norman Walsh, <ndw@nwalsh.com>
(define (system-id-filename target) ;; Returns the filename part of the system id of target (let* ((sysid (entity-generated-system-id target)) (fnbits (split sysid '(#\>))) (fntail (cdr fnbits))) (join fntail "\U-0061;")))