First draft for the USB Gangbang

hello_world.rb

framework 'AppKit'

class AppDelegate
  def applicationDidFinishLaunching(notification)
    voice_type = "com.apple.speech.synthesis.voice.Alex"
    @voice = NSSpeechSynthesizer.alloc.initWithVoice(voice_type)
  end

  def windowWillClose(notification)
    puts "Bye!"
    exit
  end

  def say_hello(sender)
    @voice.startSpeakingString("What the fuck!")
    puts "Hello World!"
  end
  
  def usbgangbang(sender)
    system "/bin/echo 123"
    puts "done"
  end
end

app = NSApplication.sharedApplication
app.delegate = AppDelegate.new

window = NSWindow.alloc.initWithContentRect([0, 0, 1280, 750],
    styleMask:NSTitledWindowMask|NSClosableWindowMask|NSMiniaturizableWindowMask,
    backing:NSBackingStoreBuffered,
    defer:false)
window.title      = 'USB GangBang'
window.level      = 3
window.delegate   = app.delegate

 [NSFont fontWithName:@"Lucida Grande" size:10.0];

button = NSButton.alloc.initWithFrame([10, 10, 1270, 740])
button.bezelStyle = 4
button.title      = 'Hello World!'
button.target     = app.delegate
button.action     = 'usbgangbang:'

window.contentView.addSubview(button)

window.display
window.orderFrontRegardless
app.run

usb_gangbang.sh

#!/bin/bash

#########################################
# GangBangUsb V0.1
# By Alx Girard & Fedaikin
# For the Tetalab http://www.tetalab.org
#########################################

IFS="
"

# Variables
dest_dir="/Users/alx/Downloads/p2p"
device="/Volumes/STORE\ N\ GO"
device_dest="/GBUSB"
nbr=1
nbr_in=1

# Récupération des fichiers
download_file () {
  nbr_in=0
  ## for file_in in `find $device -type f -name "*.mp3" -exec cp -i {} $dest_dir \;`
  for file_in in `find $device -type f -name "*.mp3"`
  do
    liste_in[$nbr_in]="$file_in"
    nbr_in=` expr $nbr_in + 1 `
  done

  # Random
  index=`expr $RANDOM % $nbr_in `

  # Upload du fichier sélectionné
  cp -i ${liste_in[$index]}  $dest_dir
}

# Upload des fichiers
upload_file () {
  nbr=0
  free_space=`df -k $device | grep $device | awk '{print $4}'`
  for file in `find $dest_dir -type f -size -$free_space`
  do
    liste[$nbr]="$file"
    nbr=` expr $nbr + 1 `
  done

  # Random
  index=`expr $RANDOM % $nbr `

  # Upload du fichier sélectionné
  cp -i ${liste[$index]} $device$device_dest
}

# Debut
download_file
mkdir $device$device_dest
while [ $nbr -gt 0 ]
do
  upload_file
done