// cd to the dir// or open a iterm window - rclick , new console/iterm2

// > node
let arr = fs.readdirSync('.'), dupcheck = [], outarr = [],
    add = a => a[0] + a[1];
arr.forEach(i => {
    if (i.split(' ').length > 1) {
    if (dupcheck.indexOf(add(i.split(' '))) !== -1) {
        outarr.push(i.split(' '));
        }
        dupcheck.push(add(i.split(' ')))
    } else if (dupcheck.indexOf(add(i.split('.'))) == -1) {
        dupcheck.push(add(i.split('.')))
    }
});

arr.forEach(i => {
  if (i.split(' ').length > 1 && outarr.indexOf(i.split(' '))) {
      console.log(i);
      fs.unlinkSync(i);
    }
})