@echo off
setlocal enabledelayedexpansion
echo d|xcopy /e D:\backup E:\backup
for /l %%a in (1,1,28) do (
if %%a leq 9 (
set day=0%%a
) else (
set day=%%a
)
rd /s /q E:\backup\2015-02-!day!\01
rd /s /q E:\backup\2015-02-!day!\02
for /l %%b in (4,1,9) do (
if exist "E:\backup\2015-02-!day!\^0%%b" rd /s /q "E:\backup\2015-02-!day!\^0%%b"
)
for /l %%b in (10,1,99) do (
if exist "E:\backup\2015-02-!day!\%%b" rd /s /q "E:\backup\2015-02-!day!\%%b"
)
)