Wherps, should have done this first

but now that I'm doing it, I might as well capture setup in a script...

algs4/.gitignore

@@ -0,0 +1,8 @@
+algs4.jar
+bin/
+checkstyle-5.4/
+checkstyle.zip
+drjava.jar
+findbugs-1.3.9/
+findbugs.zip
+stdlib.jar

algs4/setup

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+set -e
+set -x
+
+mkdir -p bin
+test -f drjava.jar || wget http://algs4.cs.princeton.edu/linux/drjava.jar
+if [ ! -f bin/drjava ]
+then
+    wget http://algs4.cs.princeton.edu/linux/drjava
+    chmod 700 drjava
+    mv drjava bin/
+fi
+test -f stdlib.jar || wget http://algs4.cs.princeton.edu/code/stdlib.jar
+test -f algs4.jar || wget http://algs4.cs.princeton.edu/code/algs4.jar
+if [ ! -d checkstyle-5.4 ]
+then
+    wget http://algs4.cs.princeton.edu/linux/checkstyle.zip
+    unzip checkstyle.zip
+fi
+if [ ! -d findbugs-1.3.9 ]
+then
+    wget http://algs4.cs.princeton.edu/linux/findbugs.zip
+    unzip findbugs.zip
+fi
+if [ ! -f checkstyle-5.4/checkstyle.xml ]
+then
+    wget http://algs4.cs.princeton.edu/linux/checkstyle.xml
+    mv checkstyle.xml checkstyle-5.4
+fi
+if [ ! -f findbugs-1.3.9/findbugs.xml ]
+then
+    wget http://algs4.cs.princeton.edu/linux/findbugs.xml
+    mv findbugs.xml findbugs-1.3.9
+fi
+if [ ! -f bin/checkstyle ]
+then
+    wget http://algs4.cs.princeton.edu/linux/checkstyle
+    chmod 700 checkstyle
+    mv checkstyle bin
+fi
+if [ ! -f bin/findbugs ]
+then
+    wget http://algs4.cs.princeton.edu/linux/findbugs
+    chmod 700 findbugs
+    mv findbugs bin
+fi
+if [ ! -f bin/config.sh ]
+then
+    wget http://algs4.cs.princeton.edu/linux/config.sh
+    mv config.sh bin
+fi