@echo off
md newfolder 2>nul
set "crc32sum=%~dp0crc32sum.exe"
set "#tmp=%~dp0#tmp"

cd /d D:\aa

(for /f "delims=" %%i in ('dir /b/a-d') do (
   %crc32sum% %%i
))>%#tmp%

for /f "tokens=1,2" %%i in (%#tmp%) do (
  if not defined %%j (
    set %%j=flag
    copy /y "%%i" "%~dp0newfolder"
  )
)
del "%#tmp%" /q
start %~dp0newfolder
pause
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@echo off
for /f "tokens=1-2" %%a in (a.txt) do (
    if not defined _%%a (
        set _%%a=1
    ) else (
        echo 删除%%b
    )
)
pause
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@echo off
::将下一行的crc32.txt替换为实际的文件名
(for /f "tokens=1*" %%a in (crc32.txt) do (
  if defined %%a (echo,%%b) else set %%a=1
))>a.txt
dir /s /b /a-d>b.txt
findstr /i /g:a.txt b.txt>c.txt
for /f "delims=" %%a in (c.txt) do del /a "%%a"
del a.txt b.txt c.txt
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@echo off
for /f "tokens=1-2" %%a in (a.txt) do (
    if not defined _%%a (
        set _%%a=1
    ) else (
        >>b.txt echo 删除%%b
    )
)
pause
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@echo off
for /f "tokens=1-2" %%a in (a.txt) do (
    if not defined _%%a (
        set _%%a=1
    ) else (
        for /f "delims=" %%h in ('dir /s /b /a-d %%b') do (
            del /f /a "%%h"
        )
    )
)
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@echo off
md backup 2>nul
::将下一行的crc32.txt替换为实际的文件名
(for /f "tokens=1*" %%a in (crc32.txt) do (
  if defined %%a (echo,%%b) else set %%a=1
))>a.txt
dir /s /b /a-d>b.txt
findstr /i /g:a.txt b.txt>c.txt
for /f "delims=" %%a in (c.txt) do  move /y "%%a" backup\
del a.txt b.txt c.txt
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findstr /i /g:a.txt b.txt>c.txt
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@echo off
md backup 2>nul
::将下一行的crc32.txt替换为实际的文件名
(for /f "tokens=1*" %%a in (crc32.txt) do (
  if defined %%a (echo,%%b) else set %%a=1
))>a.txt
gsed "s/\./\\./g;s/^/\\\\/;s/$/\$/" a.txt>b.txt
dir /s /b /a-d>c.txt
findstr /i /g:b.txt c.txt>d.txt
for /f "delims=" %%a in (d.txt) do  move /y "%%a" backup\
del a.txt b.txt c.txt d.txt
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@echo off
md backup 2>nul
::将下一行的crc32.txt替换为实际的文件名
gawk "{a[$1]++;if(a[$1]>1)print $2}" crc32.txt >a.txt
gsed "s/\./\\./g;s/^/\\\\/;s/$/\$/" a.txt>b.txt
dir /s /b /a-d>c.txt
findstr /i /g:b.txt c.txt>d.txt
for /f "delims=" %%a in (d.txt) do  move /y "%%a" backup\
del a.txt b.txt c.txt d.txt
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@echo off
md backup 2>nul
::将下一行的crc32.txt替换为实际的文件名
(for /f "tokens=1*" %%a in (crc32.txt) do (
  if defined %%a (echo,\%%b) else set %%a=1
))>a.txt
dir /s /b /a-d>b.txt
findstr /il /g:a.txt b.txt>c.txt
for /f "delims=" %%a in (c.txt) do  move /y "%%a" backup\
del a.txt b.txt c.txt
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@echo off&setlocal enabledelayedexpansion
md backup 2>nul
::将下一行的crc32.txt替换为实际的文件名
(for /f "tokens=1*" %%a in ('sort crc32.txt') do (
  if %%a=="!str!" (echo,\%%b)
  set "str=%%a"
))>a.txt
dir /s /b /a-d>b.txt
findstr /ile /g:a.txt b.txt>c.txt
for /f "delims=" %%a in (c.txt) do  move /y "%%a" backup\
del a.txt b.txt c.txt
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