Comparing two libraries

[rakeshvvv]

I have two libraries(A and B) with similar kind of data sets (Datasets name is same in both libraries. EXAMPLE: AE ) and same structure with one common variable of ID in all datasets. I want to write a generalized macro which would compare same datasets name in two libraries(AE in both libraries A and B) and will pull out those ID which are present in A.ae but not in B.ae and vice versa.

Thanks

[jakarman]

proc compare?

[Astounding]

If you show us how you would compare A.ae to B.ae, there are many posters here who can show you how to turn that into a macro to (1) find a list of all common data sets in the libraries, and (2) compare each pair.  But if you don't know how to make the comparison for a single data set, well, you have to be able to do that before you can consider writing a macro.