Have a look in the streams module. You'll need to openstream, writestream, readstream to create or ready the file for reading/writing and then the appropriate read/write command for the type of data you want to read/write.
saving game data
BlitzMax Forums/BlitzMax Beginners Area/saving game dataThe forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.