move-non-images.lua (Windows-specific)

local image_types = { ".mp4", ".png", ".jpg", "jpeg", ".gif", "webm" }

os.execute("dir /w /b > files.txt") -- Windows-specific
os.execute("mkdir non-image")

local file = io.open("files.txt")

for line in file:lines() do
  local keep = false
  for _, t in ipairs(image_types) do
    if line:sub(-4) == t then
      keep = true
      break
    end
  end
  if not keep then
    os.execute("move \""..line.."\" non-image/")
  end
end

os.remove("files.txt")