webcam-jpg-tweet.rb

#!/usr/bin/env ruby
#-*- coding: utf-8 -*-

require 'twitter'

# --- define consts ---

  CONSUMER_KEY    = ''
  CONSUMER_SECRET = ''
  ACCESS_TOKEN    = ''
  ACCESS_SECRET   = ''

# --- main ---
  
  imgname = "fswebcam_img"
  
  system("fswebcam -d /dev/video0 -S 5 #{imgname}.jpg")
  
  client = Twitter::REST::Client.new do |config|
    config.consumer_key        = CONSUMER_KEY
    config.consumer_secret     = CONSUMER_SECRET
    config.access_token        = ACCESS_TOKEN
    config.access_token_secret = ACCESS_SECRET
  end

  client.update_with_media(Time.now.to_s, File.open("#{imgname}.jpg"))

  system("rm -rf #{imgname}.jpg")

cronで適当な間隔でまわして実況する感じ