This gist was created to answer http://stackoverflow.com/questions/17424723/how-to-update-data-on-multiple-lines-of-console

cursor-position.js

module.exports = function(callback) {
  require('child_process').exec('./cursor-position.sh', function(error, stdout, stderr){
    callback(error, JSON.parse(stdout));
  });
}

cursor-position.sh

#!/bin/bash
# based on a script from http://invisible-island.net/xterm/xterm.faq.html
# http://stackoverflow.com/questions/2575037/how-to-get-the-cursor-position-in-bash
exec < /dev/tty
oldstty=$(stty -g)
stty raw -echo min 0
# on my system, the following line can be replaced by the line below it
echo -en "\033[6n" > /dev/tty
# tput u7 > /dev/tty    # when TERM=xterm (and relatives)
IFS=';' read -r -d R -a pos
stty $oldstty
# change from one-based to zero based so they work with: tput cup $row $col
row=$((${pos[0]:2} - 1))    # strip off the esc-[
col=$((${pos[1]} - 1))
echo \{\"row\":$row,\"column\":$col\}

index.js

var getCursorPosition = require('./cursor-position');

var _logInline = function(row, msg) {
  if(row >= 0) row --; //litle correction
  process.stdout.cursorTo(0, row);
  process.stdout.clearLine();
  process.stdout.cursorTo(0, row);
  process.stdout.write(msg.toString());
};

var delay = 1000;
var time = 0;

//Start by getting the current position
getCursorPosition(function(error, init) {
  setInterval(function() {
      time++;
      _logInline(init.row, 'alpha-' + time);
      _logInline(init.row + 1, 'bravo-' + time * time);
  }, delay);
});