Minecraft Installer

#!/bin/bash
mkdir /opt/minecraft
echo "Downloading Minecraft..."
wget -O /opt/minecraft/minecraft.jar http://www.minecraft.net/download/minecraft.jar
echo "Downloading icon..."
wget -O /opt/minecraft/minecraft.png http://www.minecraft.net/favicon.png
echo "Installing desktop entry..."
echo "[Desktop Entry]" > /usr/share/applications/minecraft.desktop
echo "Name=Minecraft" >> /usr/share/applications/minecraft.desktop
echo "Comment=Place blocks and build anything you can imagine!" >> /usr/share/applications/minecraft.desktop
echo "Exec=java -jar /opt/minecraft/minecraft.jar" >> /usr/share/applications/minecraft.desktop
echo "Icon=/opt/minecraft/minecraft.png" >> /usr/share/applications/minecraft.desktop
echo "Terminal=false" >> /usr/share/applications/minecraft.desktop
echo "Type=Application" >> /usr/share/applications/minecraft.desktop
echo "Categories=Application;Game;" >> /usr/share/applications/minecraft.desktop
chmod +x /usr/share/applications/minecraft.desktop