amida.js

#!/usr/bin/env node

var num = process.argv[2] || 5
  , maxLen = 20
  , ratio = 0.5
  , hasNext = false
  , l = 0
  , u = 0;
var stdout = process.stdout;

while(++l < maxLen){
  u = 0, hasNext = false;
  while(++u < num){
    if(!hasNext && Math.random() < ratio){
      stdout.write('|---');
      hasNext = true;
    }else{
      stdout.write('|   ');
      hasNext = false;
    }
  }
  stdout.write('|\n');
}
var hit = 0|Math.random() * num;
u = 0;
while(u++ < hit){
  stdout.write('    ');
}
stdout.write('!\n');

横線がもっとあったほうがいいかなぁとおもた