How to install Go in a few seconds

install_go.sh

#!/bin/bash

wget "http://golang.org/dl/go1.3.linux-amd64.tar.gz" -O ~/go1.3.linux-amd64.tar.gz

tar -C /usr/local -xzf ~/go1.3.linux-amd64.tar.gz

cat << 'EOF' | sudo tee -a /etc/profile
export GOROOT=/usr/local/go
export PATH=$PATH:/usr/local/go/bin
EOF

mkdir ~/go/{,pkg,src,bin}
cat >> ~/.bashrc << 'EOF'
export GOPATH=$HOME/go
export PATH=$GOPATH/bin:$PATH
EOF