remove NetCDF specific code

Author: Alexander-Barth

src/attribute.jl

@@ -35,26 +35,20 @@ function show_attrib(io,a)
     level = get(io, :level, 0)
     indent = " " ^ level
 
-    # if !isopen(ds)
-    #     print(io,"closed Dataset")
-    #     return
-    # end
+    # need to know ds from a
+    #if !isopen(ds)
+    #    print(io,"Dataset attributes (file closed)")
+    #    return
+    #end
 
     try
-        # use the same order of attributes than in the NetCDF file
+        # use the same order of attributes than in the dataset
         for (attname,attval) in a
             print(io,indent,@sprintf("%-20s = ",attname))
             printstyled(io, @sprintf("%s",attval),color=attribute_color[])
             print(io,"\n")
         end
     catch err
         print(io,"Dataset attributes (file closed)")
-        # if isa(err,NetCDFError)
-        #     if err.code == NC_EBADID
-        #         print(io,"Dataset  attributes (file closed)")
-        #         return
-        #     end
-        # end
-        # rethrow()
     end
 end