// Instantiates respawnPrefab at the location 
// of all game objects tagged "Respawn".

var respawnPrefab : GameObject;
var respawns = GameObject.FindGameObjectsWithTag ("Respawn");
for (var respawn in respawns)
    Instantiate (respawnPrefab, respawn.transform.position, respawn.transform.rotation);

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    public GameObject respawnPrefab;
    public GameObject[] respawns = GameObject.FindGameObjectsWithTag("Respawn");
    void Example() {
        foreach (GameObject respawn in respawns) {
            Instantiate(respawnPrefab, respawn.transform.position, respawn.transform.rotation) as GameObject;
        }
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    public respawnPrefab as GameObject

    public respawns as (GameObject) = GameObject.FindGameObjectsWithTag('Respawn')

    def Example():
        for respawn as GameObject in respawns:
            (Instantiate(respawnPrefab, respawn.transform.position, respawn.transform.rotation) as GameObject)

// Print the name of the closest enemy
print(FindClosestEnemy().name); 

// Find the name of the closest enemy
function FindClosestEnemy () : GameObject {
    // Find all game objects with tag Enemy
    var gos : GameObject[];
    gos = GameObject.FindGameObjectsWithTag("Enemy"); 
    var closest : GameObject; 
    var distance = Mathf.Infinity; 
    var position = transform.position; 
    // Iterate through them and find the closest one
    for (var go : GameObject in gos)  { 
        var diff = (go.transform.position - position);
        var curDistance = diff.sqrMagnitude; 
        if (curDistance < distance) { 
            closest = go; 
            distance = curDistance; 
        } 
    } 
    return closest;    
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    GameObject FindClosestEnemy() {
        GameObject[] gos;
        gos = GameObject.FindGameObjectsWithTag("Enemy");
        GameObject closest;
        float distance = Mathf.Infinity;
        Vector3 position = transform.position;
        foreach (GameObject go in gos) {
            Vector3 diff = go.transform.position - position;
            float curDistance = diff.sqrMagnitude;
            if (curDistance < distance) {
                closest = go;
                distance = curDistance;
            }
        }
        return closest;
    }
    void Example() {
        print(FindClosestEnemy().name);
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def FindClosestEnemy() as GameObject:
        gos as (GameObject)
        gos = GameObject.FindGameObjectsWithTag('Enemy')
        closest as GameObject
        distance as single = Mathf.Infinity
        position as Vector3 = transform.position
        for go as GameObject in gos:
            diff as Vector3 = (go.transform.position - position)
            curDistance as single = diff.sqrMagnitude
            if curDistance < distance:
                closest = go
                distance = curDistance
        return closest

    def Example():
        print(FindClosestEnemy().name)