sample of a repeatable async task with confirmation of repeat

gistfile1.coffee

readline = require("readline")
log = console.log

rl = readline.createInterface(
  input: process.stdin
  output: process.stdout
)

asyncTask = (cb) ->
  log "starting task"
  setTimeout( (-> cb()), 5000)

ask = () ->
  rl.question "Hit enter to start, q to quit ", (answer) ->
    if answer == "q"
      process.exit()
    else asyncTask ->
      log "done with task"
      ask()

ask()