A simple shell script to loop through your javascripts and give them to sprocket and uglifyjs

make-js.sh

SOURCEPATH=/path/to/javascripts/sources
BUILDPATH=/path/to/compiled/javascripts

NODEPATH=/path/to/node
UGLIFYPATH=/path/to/uglifyjs
SPROCKETPATH=/path/to/sprocketize

cd $SOURCEPATH
for f in *.js;
do
echo "Processing $f file...";
echo "Concatenating...";
$SPROCKETPATH $f > $BUILDPATH/$f;
echo "Compressing...";
$NODEPATH $UGLIFYPATH $BUILDPATH/$f > $BUILDPATH/tmp$f;
mv $BUILDPATH/tmp$f $BUILDPATH/$f;
done