Life game(requirements: zsh, egzact. Tested on OSX).

lg.zsh

#!/usr/bin/env zsh
FO=$(cat)
X=$(head -n 1 <<<$FO)
YL=$(echo $FO|wc -l|bc)
FF=$((echo $X|tr 1 0;echo $FO;echo $X|tr 1 0)|addl 0\  |addr \ 0)
for L in {1..$YL};do
  for C in {1..$(echo $X|awk '{print NF}')}; do
    echo $FF | sed -n $L,$((L+2))p | cut -d \  -f $C,$((C+1)),$((C+2)) | xargs | {
    read B
    if echo $B | grep -q '. . . . 1 . . . .';then
      S=$(echo $B|tr \  +|addr -- -1|bc)
      if [ $S -le 1 -o $S -ge 4 ];then
        echo -n 0
      else
        echo -n 1
      fi
    else
      if [ $(tr \  +<<<$B|bc) -eq 3 ];then
        echo -n 1
      else
        echo -n 0
      fi
    fi
  }
  echo -n \
done
echo
done

This is life game evaluation a turn. Read stdin (space splitted 2 dimention map like 0 0 0\n0 1 0\n0 0 0), output evaluated a turn.

usage.

$ echo '0 1 0\n0 1 0\n0 1 0' | zsh lg.sh |zsh lg.sh

example Glider

~/s/egzact ❯❯❯ echo "0 0 0 0 0 0 0 0 0 0\n0 1 0 0 0 0 0 0 0 0\n0 0 1 0 0 0 0 0 0 0\n1 1 1 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0" | zsh lg.sh                                     master ✱ ◼
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
1 0 1 0 0 0 0 0 0 0
0 1 1 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
~/s/egzact ❯❯❯ echo "0 0 0 0 0 0 0 0 0 0\n0 1 0 0 0 0 0 0 0 0\n0 0 1 0 0 0 0 0 0 0\n1 1 1 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0" | zsh lg.sh | zsh lg.sh                         master ✱ ◼
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 0
1 0 1 0 0 0 0 0 0 0
0 1 1 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
~/s/egzact ❯❯❯ echo "0 0 0 0 0 0 0 0 0 0\n0 1 0 0 0 0 0 0 0 0\n0 0 1 0 0 0 0 0 0 0\n1 1 1 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0" | zsh lg.sh | zsh lg.sh | zsh lg.sh             master ✱ ◼
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0
0 0 1 1 0 0 0 0 0 0
0 1 1 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
~/s/egzact ❯❯❯ echo "0 0 0 0 0 0 0 0 0 0\n0 1 0 0 0 0 0 0 0 0\n0 0 1 0 0 0 0 0 0 0\n1 1 1 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0\n0 0 0 0 0 0 0 0 0 0" | zsh lg.sh | zsh lg.sh | zsh lg.sh | zsh lg.sh
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 0
0 0 0 1 0 0 0 0 0 0
0 1 1 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0