Checksum calculates the short filename checksum for the given filename Based on: https://tomgalvin.uk/assets/8dot3-checksum.c Docs: https://tomgalvin.uk/blog/gen/2015/06/09/filenames/.

ChecksumOriginal calculates the checksum for the given filename using the older of Microsoft's two checksum algorithms.

ChecksumWords turns a list of words into a word/checksum map.

Gen8dot3 returns the Windows short filename for a given filename (sans tilde).

Run is the main entry point for using utuilities from the command line.