Pipe samples from the Leap's websocket stream to stdout.

leap.pipe.coffee

#!/usr/bin/env coffee 
###
Pipe samples from the Leap's websocket stream to stdout.

USAGE

  leap.pipe.coffee [no. of samples]

  leap.pipe.coffee 1000 > hand.data

###
WebSocket = require 'ws'

ws = new WebSocket 'ws://localhost:6437'
print = console.log
max = process.argv[2]
max ?= 100
i = 0 

ws.on 'open', -> 
  print 'socket opened'
  ws.send JSON.stringify {enableGestures: true}

ws.on 'close', (code, reason) -> 
  print "#{ws.bytesReceived} bytes received"
  print "socket closed (#{code})"
  print reason if reason

ws.on 'error', (err) -> print err

ws.on 'message', (d) -> if max > (i += 1) then print d else ws.close()