-$ gras/datadesc/datadesc_usage --read ${srcdir:=.}/gras/datadesc/datadesc.little32_4 --log=root.fmt:%m%n
-> Read from file ./gras/datadesc/datadesc.little32_4
+$ gras/datadesc/datadesc_usage --read ${srcdir:=.}/gras/datadesc/datadesc.little32_4 --log=test.thres:verbose --log=structs.thres:info "--log=root.fmt:%m%n"
+> Read from file datadesc.little32_4
+> This file was generated on little32_4 (2)