install and build Julia in ubuntu

getting-julia

#!/bin/bash
CWD=$(pwd)
DOWNDIRDIR="~/git"  # modify as necessary for the directory you want to install Julia into
cd  DOWNDIR         # go to the download directory

git clone -b master git://github.com/JuliaLang/julia.git   # clone the repo

# needed these on EC2
sudo apt-get update
sudo apt-get install gcc
sudo apt-get install g++
sudo apt-get install gfortran
sudo apt-get install make

# change to directory and run make
cd julia
make
# wait a long time, then
cd CWD
# start julia
julia