local function explodeString(d,p)
 local t, ll
 t = {}
 ll = 0
 if (#p == 1) then return {p} end
  while true do
   l = string.find(p,d,ll,true)
   if l ~= nil then
    table.insert(t, string.sub(p,ll,l-1))
    ll = l + 1
   else
    table.insert(t, string.sub(p,ll))
    break
   end
  end
 return t
end

local function printUsage()
 local filePath = shell.getRunningProgram()
 if string.find(filePath, "/") ~= nil then
  local path = explodeString("/", shell.getRunningProgram())
  programName = path[#path]
 else
  programName = filePath 
 end

 print("Usage:")
 print(programName.." <code> <filename>")
end

tArgs = { ... }
if #tArgs ~= 2 then
 printUsage()
 return
end

if not http then
 print("This program requires http API")
 print("Please enable in the mod config")
 return
end

local code = tArgs[1]
local filename = tArgs[2]
local path = shell.resolve(filename)
if fs.exists(path) then
 print("File already exists")
 return
end

write("Connecting to site... ")
local response = http.get("http://wilsonbits.com/scripts/"..textutils.urlEncode(code))

if response then
 print("Success")
 
 local sCode = response.readAll()
 response.close()
 
 local file = fs.open(filename, "w")
 file.write(sCode)
 file.close()
 
 print("Downloaded as "..filename)
 
else 
 print("Failed")
end