spring source installer

install_spring.sh

#!/bin/bash
sudo echo "Need to be root, please authenticate..."
echo "Downloading spring source..."
curl -o sts.tar.gz http://download.springsource.com/release/STS/3.4.0/dist/e4.3/spring-tool-suite-3.4.0.RELEASE-e4.3.1-linux-gtk-x86_64.tar.gz
echo "Extracting..."
tar -xf sts*.tar.gz
echo "Staging..."
sudo mv springsource /opt
echo "Creating symbolic links..."
sudo ln -s /opt/springsource/sts*/STS /usr/local/bin/sts
if [[ -z `tail -n 10 ~/.bashrc | awk '{print $2}' | awk -F= '{print $1}' | grep spring` ]]; then 
    echo "Modifying updating bashrc..."
    sudo echo "alias spring='/usr/local/bin/sts'" >> ~/.bashrc
    . ~/.bashrc
fi
echo "Cleaning up..."
rm sts*.tar.gz
echo -e "Done.\n**You may now launch spring by typing 'sts', or 'spring'"