Code:

#!/bin/bash

echo "          Bienvenido al auto-actualizador para la suite aircrack-ng"
echo ""
echo "        [Este script requiere internet para la descarga de aircrack-ng]"
sleep 5

cd /tmp
wget -c http://nightly.aircrack-ng.org/aircrack-ng/trunk/ /tmp
latest_version=`grep tar.gz index.html | tail -n1 | cut -d- -f2- | cut -d '"' -f1`
echo "La Version mas reciente es...  aircrack-$latest_version"
sleep 5
echo "Descargando la ultima version de la suite aircrack-ng... "
wget -c http://nightly.aircrack-ng.org/aircrack-ng/trunk/aircrack-$latest_version
echo "Descomprimiendo...."
tar -xf aircrack-$latest_version
sleep 2

#encontrar directorio de extraccion
echo "Compilando paquete aircrack-ng...."
paquete=$(basename aircrack-$latest_version .tar.gz)
cd $paquete
sleep 2
make
echo "Instalando en el sistema...."
sleep 2
make install
clear

#limpiando temporales
echo "Borrando archivos temporales....."
sleep 1
echo "Eliminando index.html..."
sleep 1
rm /tmp/index.html
echo "Eliminando paquete descargado...."
sleep 1
rm /tmp/aircrack-$latest_version
echo "Eliminando directorio de compilacion...."
sleep 1
rm -r /tmp/$paquete

echo "   "
echo "                        *******************************"
echo "                        | La instalacion a finalizado |  "
echo "                        *******************************  "
echo "   "

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