Bash Wrapper in CoffeeScript + Node.js

bash.coffee

spawn = require('child_process').spawn
bash = spawn "bash", ["-i"]

bash.stdin.write "export PS1=wrapped:$PS1\n"
process.stdin.pipe(bash.stdin)
process.stdin.resume()
require('tty').setRawMode(true)
bash.stderr.pipe(process.stderr)
bash.stdout.pipe(process.stdout)

bash.on "exit", ->
  require('tty').setRawMode(false)
  process.exit()