Megatest

  :value                  : value measured
  :expected_value         : value expected
  :tol                    : |value-expect| <= tol
  :units                  : name of the units for value, expected_value and tol
  :first_err              : record an error message
  :first_warn             : record a warning message

Arbitrary test data loading
  -load-test-data         : read test specific data for storage in the test_data table
                            from standard in. Each line is comma delimited with four
                            fields category,variable,value,comment

Queries
  -list-runs patt         : list runs matching pattern \"patt\", % is the wildcard
  -testpatt patt          : in list-runs show only these tests, % is the wildcard
  -itempatt patt          : in list-runs show only tests with items that match patt
  -showkeys               : show the keys used in this megatest setup

Misc 

			) 
		 (list  "-h"
		        "-force"
		        "-xterm"
		        "-showkeys"
		        "-test-status"
			"-set-values"
			"-load-test-data"
			"-summarize-items"
		        "-gui"
			"-runall"    ;; run all tests
			"-remove-runs"
			"-keepgoing"
			"-usequeue"
			"-rebuild-db"

	  (sqlite3:finalize! db)
	  (set! *didsomething* #t))))

(if (or (args:get-arg "-setlog")       ;; since setting up is so costly lets piggyback on -test-status
	(args:get-arg "-set-toplog")
	(args:get-arg "-test-status")
	(args:get-arg "-set-values")
	(args:get-arg "-load-test-data")
	(args:get-arg "-runstep")
	(args:get-arg "-summarize-items"))
    (if (not (getenv "MT_CMDINFO"))
	(begin
	  (debug:print 0 "ERROR: MT_CMDINFO env var not set, commands -test-status, -runstep and -setlog must be called *inside* a megatest environment!")
	  (exit 5))
	(let* ((startingdir (current-directory))

	       (status    (args:get-arg ":status")))
	  (change-directory testpath)
	  (if (not (setup-for-run))
	      (begin
		(debug:print 0 "Failed to setup, exiting")
		(exit 1)))
	  (set! db (open-db))
	  (if (args:get-arg "-load-test-data")
	      (db:load-test-data db run-id test-name itemdat))
	  (if (args:get-arg "-setlog")
	      (test-set-log! db run-id test-name itemdat (args:get-arg "-setlog")))
	  (if (args:get-arg "-set-toplog")
	      (test-set-toplog! db run-id test-name (args:get-arg "-set-toplog")))
	  (if (args:get-arg "-summarize-items")
	      (tests:summarize-items db run-id test-name #t)) ;; do force here
	  (if (args:get-arg "-runstep")