Cure Cancer in 30 lines

var fs = require('fs'),
    path = require('path'),
    cancer = '.coffee',
    body = './body',
    totalCells,
    cellsChecked;

function killCancerCell(cell) {

    fs.unlinkSync(path.join(body, cell));

    console.log('Removed a cancer cell');
}

fs.readdir(body, function (error, cells){

    if(error){
        return console.error('Its terminal.');
    }

    totalCells = cells.length;

    for (cellsChecked = 0; cellsChecked < totalCells; cellsChecked++) {
        if(cells[cellsChecked].indexOf(cancer, cells[cellsChecked].length - cancer.length) !== -1){
            killCancerCell(cells[cellsChecked]);
        }
    }

    return console.log('We cured cancer!');
});