Just set them all up, and split. Dariolius is designed to run unattended, so you can go away and come back later to check the results. Choose between using a batch or program file to merge your split parts. Batch files take less space for smaller jobs. Useful for advanced users.
Program files are more powerful and interactive.
They also take less space for larger jobs. Other programs may have similar features. However, many make mistakes in their batch files by incorrectly using wildcards, which simply won't work correctly once the files have been moved around a bit. Others do not take into account DOS line length limitations, which will cause the merging to fail for large jobs. Dariolius produces correct files tested for jobs of up to 999 parts and correctly reconnects the files in the correct order.