@echo off
for /d %%a in ("C:\test\test1\201107??") do (
    md "C:\test\test2\%%~na"
    xcopy /e "%%a" "C:\test\test2\%%~na"
)
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@echo off
for /l %%a in ("20110705 1 20110729") do (
    if exist "a\%%a" xcopy /e "a\%%a" "b\%%a"
)
::适合不跨月复制指定范围的文件夹
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@echo off
for /d %%a in ("C:\test\test1\201107??") do (
    if %%~na gtr 20110705 (
        if %%~na lss 20110729 (
            xcopy /e "%%a" "C:\test\test2\%%~na"
        )
    )
)
::给 2 楼代码加 if 嵌套，适合跨月复制指定范围
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