A command line tool to solve sudokus.
The package part (solver/) may be usable separately as well.
The compiled program expects a 9x9 table in input, like:
760000015
412030689
305000704
600308001
150060093
200701006
804000102
976020438
520000067
or
+---+---+---+
| |791| |
| 17|4 8|35 |
| 2 |5 6|781|
+---+---+---+
| 98| |52 |
|5 | | 7|
| 76| |89 |
+---+---+---+
| 4 |6 2| 3 |
| 81|9 5|24 |
| |314| |
+---+---+---+
Solve by using:
sudoku < solvethis.txt
The input can contain pretty-printed sudokus, or ones where missing cells are marked with X or 0 or spaces. There should be 9 lines of useful stuff.