#install coffee script in just one directory
npm install coffee-script
add a file to play with in coffee
touch hello.coffee
now to get coffee running
node node_modules/coffee-script/bin/coffee
to run your file
node_modules/coffee-script/bin/coffee hello.coffee (where hello coffee is your script file name)
to compile your file
node_modules/coffee-script/bin/coffee -c hello.coffee (where hello coffee is your script file name)
you can make coffee compiler wait for chnages by adding -w
../../node_modules/coffee-script/bin/coffee -w -c main.coffee
you can also get this to watch a whole directory by using the wildcard *
../../node_modules/coffee-script/bin/coffee -w -c *.coffee