Chiming in here, Rich. I might have a similar challenge as you coming up. Ie, facing a possible conversion from code written for RM-Cobol-85 to GNU Cobol. Was there some open source tool(s) that you used, or just brute force? From a 100,000 ft view, what would you recommend as steps for going about this? Is this process coded or documented somewhere that can be downloaded? The possible project I'm looking at contains close to 500 cobol source modules. So, whatever (semi-)automated process(es) I can...