#! lua-5.0.exe
print"Rename Files!"
for i, v in ipairs(arg) do
	local oldName = v, newName
	print("oldName: " .. oldName)
	local p, f, p1, p2, p3
	p = 1
	repeat
		f, _ = string.find(oldName, '\\', p+1)
		if f then p = f end
	until f == nil
	_, _, p1, p2, p3 = string.find(oldName, "([^_]+)_([^.!+]+)(+*!*).[jJ][pP][gG]", p+1)
	if p1 and p2 then
		newName = string.lower(p2 .. '_' .. p1 .. (p3 or '') .. ".jpg")
		print("newName: " .. newName)
		r, m = os.rename(oldName, newName)
		if not r then print(m) end
	else
		print("Bad name! ")
	end
end