GAP is a project mainly written in Ruby, it's free.
gap test
GAP test
HOW TO RUN
$> ruby MissingLetters.rb "A quick brown fox jumps over the lazy dog"
$> ruby MissingLetters.rb "A slow yellow fox crawls under the proactive dog" bjkmqz $> ruby MissingLetters.rb "Lions, and tigers, and bears, oh my!" cfjklpquvwxz
NOTE: Please note that the ! simbol needs to be escaped on the linux console.
$> ruby MissingLetters.rb "" abcdefghijklmnopqrstuvwxyz
$> ruby Animation.rb 2 "...R...." ...X.... .....X.. .......X ........
$> ruby Animation.rb 3 "RR..LRL" XX..XXX .X.XX.. X.....X .......
ruby Animation.rb 2, "LRLR.LRLR" XXXX.XXXX X..X.X..X .X.X.X.X. .X.....X. .........
$> ruby Animation.rb 10, "RLRLRLRLRL" XXXXXXXXXX ..........
ruby Animation.rb 1, "..." ...
$> ruby Animation.rb 1, "LRRL.LR.LRR.R.LRRL." XXXX.XX.XXX.X.XXXX. ..XXX..X..XX.X..XX. .X.XX.X.X..XX.XX.XX X.X.XX...X.XXXXX..X .X..XXX...X..XX.X.. X..X..XX.X.XX.XX.X. ..X....XX..XX..XX.X .X.....XXXX..X..XX. X.....X..XX...X..XX .....X..X.XX...X..X ....X..X...XX...X.. ...X..X.....XX...X. ..X..X.......XX...X .X..X.........XX... X..X...........XX.. ..X.............XX. .X...............XX X.................X ...................