sUtils.lua

local sUtils = {}

function sUtils.contains(t, value)
  for i = 1, #t do
    if t[i] == value then
      return true
    end
  end
  return false
end

function sUtils.getFile(sFilename, sNetAddress, nFails)
  nFails = nFails or 0
  if nFails > 5 then
    error("Failed too many times. Stopping.", -1)
  end

  local h, err = http.get(sNetAddress)
  if h then
    local fh, err2 = io.open(sFilename, 'w')
    if fh then
      fh:write(h:readAll()):close()
      h.close()
    else
      h.close()
      printError("Failed to write file: " .. err2)
      getFile(sFilename, sNetAddress, nFails + 1)
    end
  else
    printError("Failed to connect: " .. err)
    getFile(sFilename, sNetAddress, nFails + 1)
  end
end

function sUtils.split (inputstr, sep)
  if sep == nil then
          sep = "%s"
  end
  local t={}
  for str in string.gmatch(inputstr, "([^"..sep.."]+)") do
          table.insert(t, str)
  end
  return t
end

function sUtils.countLines(path)
  local lines = 0
  for _ in io.lines(path) do lines = lines + 1 end
  return lines
end

function sUtils.getSize(path)
  local size = 0
  local files = fs.list(path)
  for i=1,#files do
    if fs.isDir(fs.combine(path, files[i])) then
      size = size + file.getSize(fs.combine(path, files[i]))
    else
      size = size + fs.getSize(fs.combine(path, files[i]))
    end
  end
  return size
end

return sUtils