gistfile1.txt

tic-tac-toe $ cd new_game
new_game $ ls -l
total 72
lrwxr-xr-x  1 magnus  magnus  58 Dec 25 23:46 1 -> /Users/magnus/programming/random/tic-tac-toe/db/2100000000
lrwxr-xr-x  1 magnus  magnus  58 Dec 25 23:46 2 -> /Users/magnus/programming/random/tic-tac-toe/db/2010000000
lrwxr-xr-x  1 magnus  magnus  58 Dec 25 23:46 3 -> /Users/magnus/programming/random/tic-tac-toe/db/2001000000
lrwxr-xr-x  1 magnus  magnus  58 Dec 25 23:46 4 -> /Users/magnus/programming/random/tic-tac-toe/db/2000100000
lrwxr-xr-x  1 magnus  magnus  58 Dec 25 23:46 5 -> /Users/magnus/programming/random/tic-tac-toe/db/2000010000
lrwxr-xr-x  1 magnus  magnus  58 Dec 25 23:46 6 -> /Users/magnus/programming/random/tic-tac-toe/db/2000001000
lrwxr-xr-x  1 magnus  magnus  58 Dec 25 23:46 7 -> /Users/magnus/programming/random/tic-tac-toe/db/2000000100
lrwxr-xr-x  1 magnus  magnus  58 Dec 25 23:46 8 -> /Users/magnus/programming/random/tic-tac-toe/db/2000000010
lrwxr-xr-x  1 magnus  magnus  58 Dec 25 23:46 9 -> /Users/magnus/programming/random/tic-tac-toe/db/2000000001
-rw-r--r--  1 magnus  magnus   0 Dec 25 23:46 _    X plays    _
-rw-r--r--  1 magnus  magnus   0 Dec 25 23:46 __    1 2 3    __
-rw-r--r--  1 magnus  magnus   0 Dec 25 23:46 ___   4 5 6   ___
-rw-r--r--  1 magnus  magnus   0 Dec 25 23:46 ____  7 8 9  ____
new_game $ alias show="ls | grep _"
new_game $ show
_    X plays    _
__    1 2 3    __
___   4 5 6   ___
____  7 8 9  ____
new_game $ cd 1
1 $ show
_    O plays    _
__    X 1 2    __
___   3 4 5   ___
____  6 7 8  ____
1 $ function play {
> cd $1
> show
> }
1 $ show
_    O plays    _
__    X 1 2    __
___   3 4 5   ___
____  6 7 8  ____
1 $ play 6
_    X plays    _
__    X 1 2    __
___   3 4 5   ___
____  O 6 7  ____
6 $ play 7
_    O plays    _
__    X 1 2    __
___   3 4 5   ___
____  O 6 X  ____
7 $ play 4
_    X plays    _
__    X 1 2    __
___   3 O 4   ___
____  O 5 X  ____
4 $ play 2
_    O plays    _
__    X 1 X    __
___   2 O 3   ___
____  O 4 X  ____
2 $ play 1
_    X plays    _
__    X O X    __
___   1 O 2   ___
____  O 3 X  ____
1 $ play 2
_     X won     _
__    X O X    __
___     O X   ___
____  O   X  ____
2 $ alias undo="cd .."
2 $ undo; undo; undo; undo; undo; undo
1 $ show
_    O plays    _
__    X 1 2    __
___   3 4 5   ___
____  6 7 8  ____
1 $ play 8
_    X plays    _
__    X 1 2    __
___   3 4 5   ___
____  6 7 O  ____
8 $ play 6
_    O plays    _
__    X 1 2    __
___   3 4 5   ___
____  X 6 O  ____
6 $ play 3
_    X plays    _
__    X 1 2    __
___   O 3 4   ___
____  X 5 O  ____
3 $ play 1
_    O plays    _
__    X X 1    __
___   O 2 3   ___
____  X 4 O  ____
1 $ play 2
_    X plays    _
__    X X 1    __
___   O O 2   ___
____  X 3 O  ____
2 $ undo
1 $ show
_    O plays    _
__    X X 1    __
___   O 2 3   ___
____  X 4 O  ____
1 $ play 1
_    X plays    _
__    X X O    __
___   O 1 2   ___
____  X 3 O  ____
1 $ play 2
_    O plays    _
__    X X O    __
___   O 1 X   ___
____  X 2 O  ____
2 $ play 1
_    X plays    _
__    X X O    __
___   O O X   ___
____  X 1 O  ____
1 $ play 1
_      Tie      _
__    X X O    __
___   O O X   ___
____  X X O  ____