[netcdfgroup] how do I tell the version of an nccopy binary?

We’re seeing odd behavior with nccopy (one binary exec works for a particular 
URL, another doesn’t, another takes 100X too long…).

Is there any way to tell what version of an nccopy binary I am running? 
—
Christopher Lynnes   NASA/GSFC    301-614-5185
“I love it when a plan comes together.” — Hannibal Smith