$1 is not a D variable it's a shell var. Have a look at the "inline" function/operand. http://wikis.sun.com/display/DTrace/Type+and+Constant+Definitions
There's loads of examples in the DTrace Toolkit that you can look at and use as examples. Google "dtrace inline" for more examples. -- This message posted from opensolaris.org _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org