Bower multiple install directories. For those using `bower` but not grunt who want to take advantage of the multiple cwd values described in https://github.com/bower/bower/issues/212

bower-multi.bash

#!/bin/bash
 
# Install bower `npm -g install bower`
# Create directory in project root:
#   bower/
# Then create subdirectories for each bower setup
#   bower/public/bower.json
#   bower/compiled/bower.json
# The path installed into will be in the same directory as `bower` with the same name as the subdir
#   ./public
#   ./compiled
  
# The bower command (e.g. install)
cmd=$1
   
# If a second argument is added it will just use that version
if [ $# -eq 2 ]; then
    cd bower/$2
    bower $1  --config.directory="../../${PWD##*/}"
    cd -
else
	for D in `find ./bower/* -type d`
	do
	    cd $D
	    bower $1 --config.directory="../../${PWD##*/}"
	    cd -
	done
fi

Also it's easy to parallelize with this setup. Just add & after parenthesis.