Would you mind expanding on why rsubmit shouldn't be used inside of macros? I'm not too familiar with signon/rsubmit but using in them in a macro has given me nothing but headaches. Is there something specific about remote sessions that make them difficult to call in macros?   My goal is to break a big file up into smaller files and then process each of the smaller files in parallel. If I create a macro to write the code I need to a file and then use %include statements to call the files, would I lose the parallel processing I get with remote sessions?   I also don't know how many files I will need to process, so it looks like I will have to either loop over an rsubmit or an include. ... View more