Megatest

	       (sections (if target (list "default" target) #f))
	       (data     (begin
			   (setenv "MT_RUN_AREA_HOME" *toppath*)
			   (if key-vals
			       (for-each (lambda (kt)
					   (setenv (car kt) (cadr kt)))
					 key-vals))
			   ;; (read-config (conc *toppath* "/runconfigs.config") #f #t sections: sections))))
                           (runconfig:read (conc *toppath* "/runconfigs.config") target #f))))
	  (if (and rundir ;; have all needed variabless
		   (directory-exists? rundir)
		   (file-write-access? rundir))
	      (begin
		(configf:write-alist data cfgf)
		;; force re-read of megatest.config - this resolves circular references between megatest.config
		(launch:setup force: #t)

	;; keep this one local
	(cond
	 ((and (args:get-arg "-section")
	       (args:get-arg "-var"))
	  (let ((val (or (configf:lookup data (args:get-arg "-section")(args:get-arg "-var"))
			 (configf:lookup data "default" (args:get-arg "-var")))))
	    (if val (print val))))
	 ((or (not (args:get-arg "-dumpmode"))
              (string=? (args:get-arg "-dumpmode") "ini"))
	  (configf:config->ini data))
	 ((string=? (args:get-arg "-dumpmode") "sexp")
	  (pp (hash-table->alist data)))
	 ((string=? (args:get-arg "-dumpmode") "json")
	  (json-write data))


	 (else
	  (debug:print-error 0 *default-log-port* "-dumpmode of " (args:get-arg "-dumpmode") " not recognised")))
	(set! *didsomething* #t))
      (pop-directory)))

(if (args:get-arg "-show-config")
    (let ((tl   (launch:setup))