Minecraft install shell script

# This file is just so that people can quickly get minecraft set up on an ubuntu machine
# I was playing about
# Not 100% sure if it works on other machines.
# MUST BE RAN BY ROOT OR SUDO (sudo bash file_name.sh)

printf "Installing Minecraft\nPlease input your username that will be used for creating file structures. (If you don't know it then it is the name of the folder in /home"
read name
mkdir ~/.minecraft
echo "Created ~/.minecraft"
cd ~/.minecraft
wget "https://s3.amazonaws.com/Minecraft.Download/launcher/Minecraft.jar"
echo "Downloaded launcher from the official website"
echo "cd ~/.minecraft; java -jar Minecraft.jar" >> exec.sh
echo "Created execution script"
sudo chmod +x exec.sh Minecraft.jar
echo "Execution script executeable"
wget "http://fc06.deviantart.net/fs70/f/2010/325/1/8/minecraft_icon_by_dharmainitiative2010-d33ca5p.png" -O "icon.png"
echo "Downloading icon"
sudo printf "[Desktop Entry]\nName=Minecraft\nComment=Play Minecraft\nKeywords=game;mine;minecraft;craft;\nExec=/home/$name/.minecraft/exec.sh\nTerminal=false\nType=Application\nStartupNotify=true\nIcon=/home/$name/.minecraft/icon.png\nCategories=Game;" >> ~/Desktop/minecraft.desktop
echo "Created launcher"
sudo mv ~/Desktop/minecraft.desktop /usr/share/applications/minecraft.desktop
sudo chmod +x /usr/share/applications/minecraft.desktop
sudo chown root /usr/share/applications/minecraft.desktop
sudo chgrp root /usr/share/applications/minecraft.desktop
echo "Fixed permissions, search in the unity a few times for it to show."