Sends an unsolved sudoku puzzle to the sudokuwiki.org solver and scrapes the answer.

grab_sudoku_solutions.rb

# Assign an unsolved sudoku to the string my_puzz. Blanks must be represented by 0's.
my_puzz = '046000000050001000203590040000000900700000300000804710020068100500000072000902000'
# cURL the sudokuwiki.org solver with the given sudoku
system 'curl -o solved.txt --url http://www.sudokuwiki.org/S/WebSudoku.dll?solutions\&0,' + my_puzz + ' >/dev/null 2>&1'
# The solved puzzle is pulled from the 6th line of the returned file.
puts File.open("solved.txt").readlines[6]