p Check the marshaling facilities (trying to read the result of ppc or sparc)
-$ gras/datadesc_usage --read ${srcdir:=.}/gras/datadesc.big32_8 --log=root.fmt:%m%n
+$ gras/datadesc/datadesc_usage --read ${srcdir:=.}/gras/datadesc/datadesc.big32_8 --log=root.fmt:%m%n
> This datafile was generated on big32_8 (5).
> ---- Test on integer ----
> ---- Test on float ----