// Shows how to read typing input from the keyboard
// (eg. the user entering his name).
// You need to attach this script to a GUIText object.

function Update () {
    for (var c : char in Input.inputString) {
        // Backspace - Remove the last character
        if (c == "\b"[0]) {
            if (guiText.text.Length != 0)
                guiText.text = guiText.text.Substring(0, guiText.text.Length - 1);
        }
        // End of entry
        else if (c == "\n"[0] || c == "\r"[0]) {// "\n" for Mac, "\r" for windows.
            print ("User entered his name: " + guiText.text);
        }
        // Normal text input - just append to the end
        else {
            guiText.text += c;
        }
    }
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    void Update() {
        foreach (char c in Input.inputString) {
            if (c == "\b"[0])
                if (guiText.text.Length != 0)
                    guiText.text = guiText.text.Substring(0, guiText.text.Length - 1);
                
            else
                if (c == "\n"[0] || c == "\r"[0])
                    print("User entered his name: " + guiText.text);
                else
                    guiText.text += c;
        }
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def Update():
        for c as char in Input.inputString:
            if c == '\b'[0]:
                if guiText.text.Length != 0:
                    guiText.text = guiText.text.Substring(0, (guiText.text.Length - 1))
            elif (c == '\n'[0]) or (c == '\r'[0]):
                print(('User entered his name: ' + guiText.text))
            else:
                guiText.text += c