The File Management section provides details on the various text files that are used in the Unravel program.
The program makes use of a number of pure text files for Input/Output. The different new-line character formats used in Windows, Macintosh and Unix are automatically handled on output. Any of these formats is acceptable for input.
In application program mode, storage and retrieval of these files are straight-forward. In applet program mode, file storage and retrieval from the user's computer are somewhat cumbersome. For this reason, reduced storage and retrieval actions are provided when running from a browser's applet. However, as a minimum, the ability to save and retrieve the state of the cube on the user's computer is essential, assuming that only small-size cubes could be solved in one session. In applet program mode, storage in and retrieval from the user's computer makes use of the clipboard.