local mfs={}
local cd=""
function mfs.setcd(x)
	if fs.exists(x) and fs.isDir(x) then
		cd=x
		return true
	else
		return false,"No such directory "..x
	end
end

function mfs.getcd()
	return cd
end

function mfs.read(x)
	local f=fs.open(cd.."/"..x,"r")
	if not f then return nil end
	local i=f.readAll()
	f.close()
	return i
end

function mfs.write(x,v)
	local f=fs.open(cd.."/"..x,"w")
	f.write(v)
	f.close()
end

function mfs.mmkdir(x)
	if not fs.exists(cd.."/"..x) then
		fs.makeDir(cd.."/"..x)
	end
end

function mfs.save(x,t)
	mfs.write(cd.."/"..x,textutils.serialize(t))
end

function mfs.load(x)
	return textutils.unserialize(mfs.read(cd.."/"..x) or "{}")
end

function mfs.rm(x)
	fs.delete(cd.."/"..x)
end

return mfs