@echo off
setlocal enableextensions enabledelayedexpansion
rem 作者：rubble@126.com
rem 17:55 2009-4-14 版本：0.4
set dira=%~1
set dirb=%~2
if "%1" == "" (
echo 使用說明：請在命令行參數(shù)上指明兩個目錄，或在這里按提示輸入。
echo 命令行參數(shù)格式：批處理名 ^目錄1^> ^目錄2^>
echo.
set /p dira=請輸入第一個目錄的名字（可拖放并輸入回車）：
)
echo.
if "%2" == "" (
echo 使用說明：請在命令行參數(shù)上指明兩個目錄，或在這里按提示輸入。
echo 命令行參數(shù)格式：批處理名 ^目錄1^> ^目錄2^>
echo.
set /p dirb=請輸入第二個目錄的名字（可拖放并輸入回車）：
)

if "%dira%" == "" exit /b
if "%dirb%" == "" exit /b
for /F "delims=. tokens=1" %%A in ("%TIME%") do set startTime=%%A
for /F "delims=: tokens=1,2,3" %%A in ("%startTime%") do (
set startH=%%A
set startM=%%B
set startS=%%C
)

set TEMPDIR=TEMPMD5\
rd /Q /S %TEMPDIR% 1>NUL 2>NUL
md %TEMPDIR%
set mdfive=md5v4.txt
rem 已處理的文件數(shù)
set count=0
rem 文件夾 %dira% 和 %dirb% 里的文件總數(shù)
set total_count=0
rem 已處理的臨時文件數(shù)
set tmpf_count=0
rem 臨時文件總數(shù)，已知有 5 個了。其余的是 md5 值的個數(shù)
set tmpf_total_count=5
echo 第 1/2步，正在計算，請稍候……
echo 正在比較 %dira% 和 %dirb% 中的文件的 md5 值 > %mdfive%
set list_fn_md=%TEMPDIR%list_fn_md
set list_fn_nmd=%TEMPDIR%list_fn_nmd
set list_fn_oa=%TEMPDIR%list_fn_oa
set list_fn_ob=%TEMPDIR%list_fn_ob
set list_all_md=%TEMPDIR%list_all_md

call :COUNTFILES %dira%
call :COUNTFILES %dirb%

for /f "delims=" %%a in ('dir /b /a:-d "%dira%\*"') do (
set fn=%%~nxa
for /f "tokens=1 delims= " %%A in ('md5sum "%dira%\%%a"') do set mda=%%A
set /a count=!count!+1
call :PROGRESS !count! !total_count!
if "!mda:~0,1!" == "\" set mda=!mda:~1,1024!
rem 以 !mda! 為文件名，記錄 md5 為 !mda! 的文件
call :ADDMDFN "%TEMPDIR%!mda!" "%dira%\!!"
rem 把 md5 值記錄到文件里，保證不重復(fù)
call :ADDMDLIST !mda!
if exist "%dirb%\!!" (
for /f "tokens=1 delims= " %%A in ('md5sum "%dirb%\!!"') do set mdb=%%A
set /a count=!count!+1
call :ADDMDFN "%TEMPDIR%!mdb!" "%dirb%\!!"
call :PROGRESS !count! !total_count!
if "!mdb:~0,1!" == "\" set mdb=!mdb:~1,1024!
if "!mda!" == "!mdb!" (
rem 記錄文件名相同并且 md5 相同的文件
echo !mda! !mdb! !fn! >> "!list_fn_md!"
) else (
rem 記錄文件名相同但 md5 不相同的文件
echo !mda! !mdb! !fn! >> "!list_fn_nmd!"
call :ADDMDLIST !mdb!
)
) else (
rem 記錄只在 %dira% 中出現(xiàn)的文件
echo !mda! !fn! >> "!list_fn_oa!"
)
)
for /f "delims=" %%a in ('dir /b /a:-d "%dirb%\*"') do (
set fn=%%~nxa
if not exist "%dira%\!!" (
for /f "tokens=1 delims= " %%A in ('md5sum "%dirb%\%%a"') do set mdb=%%A
if "!mdb:~0,1!" == "\" set mdb=!mdb:~1,1024!
rem 記錄只在 %dirb% 中出現(xiàn)的文件
echo !mdb! !fn! >> "!list_fn_ob!"
rem 把 md5 值記錄到文件里，保證不重復(fù)
call :ADDMDLIST !mdb!
call :ADDMDFN "%TEMPDIR%!mdb!" "%dirb%\!!"
set /a count=!count!+1
call :PROGRESS !count! !total_count!
)
)
echo 第 2/2步，正在統(tǒng)計，請稍候……
echo 統(tǒng)計：>>%mdfive%
echo 左：%dira% >> %mdfive%
echo 右：%dirb% >> %mdfive%
if not exist "%list_fn_md%" set /a tmpf_total_count-=1
if not exist "%list_fn_nmd%" set /a tmpf_total_count-=1
if not exist "%list_fn_oa%" set /a tmpf_total_count-=1
if not exist "%list_fn_ob%" set /a tmpf_total_count-=1
if not exist "%list_all_md%" set /a tmpf_total_count-=1
echo 兩個目錄中都存在且 md5 相同的文件：>> %mdfive%
call :OUTPUTLIST "%list_fn_md%"
echo ===============================================================================================>> %mdfive%
echo 左：%dira% >> %mdfive%
echo 右：%dirb% >> %mdfive%
echo 兩個目錄中都存在但 md5 不相同的文件：>> %mdfive%
call :OUTPUTLIST "%list_fn_nmd%"
echo ===============================================================================================>> %mdfive%
echo 只在目錄 %dira% 中存在的文件：>> %mdfive%
call :OUTPUTLIST "%list_fn_oa%"
echo ===============================================================================================>> %mdfive%
echo 只在目錄 %dirb% 中存在的文件：>> %mdfive%
call :OUTPUTLIST "%list_fn_ob%"
echo ===============================================================================================>> %mdfive%
echo 以 md5 匯總的文件列表：>> %mdfive%
call :OUTPUTLIST_MD "%list_all_md%"

goto ALLDONE

rem 統(tǒng)計文件夾里的文件數(shù)目，放到全局變量 total_count 里
:COUNTFILES
if %1=="" goto :EOF
for /f %%a in ('dir /b /a:-d "%~1\*"') do (
set /a total_count=!total_count!+1
)
goto :EOF

rem 參數(shù) %1 必須加雙引號
:OUTPUTLIST
if %1 == "" goto :EOF
if not exist %1 goto :EOF
set tcnt=0
for /f "tokens=1* delims= " %%a in (%~1) do (
echo %%a %%b >> %mdfive%
set /a tcnt+=1
)
echo !tcnt! >> %mdfive%
set /a tmpf_count+=1
call :PROGRESS !tmpf_count! !tmpf_total_count!
goto :EOF

rem 參數(shù) %1 必須加雙引號
:OUTPUTLIST_MD
if %1 == "" goto :EOF
if not exist %1 goto :EOF

set /a tmpf_count+=1
call :PROGRESS !tmpf_count! !tmpf_total_count!

set md_count=0
for /f "tokens=1* delims= " %%a in (%~1) do (
echo %%a >> %mdfive%
set tcnt=0
for /f "tokens=1* delims= " %%A in (!TEMPDIR!%%a) do (
echo %%A %%B >> %mdfive%
set /a tcnt+=1
)
set /a tmpf_count+=1
call :PROGRESS !tmpf_count! !tmpf_total_count!
echo !tcnt! >> %mdfive%
set /a md_count+=1
echo. >> %mdfive%
)
echo %md_count% >> %mdfive%
goto :EOF

rem 函數(shù)：把 md5 值保存到一個名為 !list_all_md! 的文件里，
rem 并保證不保存重復(fù)的 md5 值
:ADDMDLIST
if %1 == "" goto :EOF
if exist "!list_all_md!" (
rem 這里的 delims 要么刪除，要么做成像下面這行的樣子，在等號后面加個空格
rem for /f "tokens=1 delims= " %%a in (!list_all_md!) do (
for /f "tokens=1 " %%a in (!list_all_md!) do (
if "%%a" == "%1" goto :EOF
)
)
echo %1 >> "!list_all_md!"
rem 記錄臨時文件總數(shù)
set /a tmpf_total_count+=1
goto :EOF

rem 函數(shù)：以 %1 為文件名，保存 %2
rem %1：在這個應(yīng)用里是 md5 值
rem %2：md5 值為 %1 的文件
:ADDMDFN
if %1 == "" goto :EOF
if %2 == "" goto :EOF
echo %2 >> %1
goto :EOF

:PROGRESS
set tips=

set backspace=
set /a percent=%1*100/%2
set /a char=%1%%7
set /a bnum=%percent%/10
set /a snum=10-%bnum%
for /L %%a in (1, 1, %bnum%) do set /p=▌NUL
for /L %%a in (1, 1, %snum%) do set /p= NUL
set /p=%1/%2 %percent%%% NUL
set /p=!tips:~%char%,1!NUL
if "%percent%" == "100" (
echo.
goto :EOF
)
set /p=%backspace%NUL
goto :EOF

rem :PROGRESS
rem set tips=

rem set backspace=
rem set /a char=%1%%7
rem set /p=!tips:~%char%,1!NUL
rem set /p=%backspace%NUL
rem goto :EOF

:ALLDONE

rd /Q /S %TEMPDIR% 1>NUL 2>NUL
for /F "delims=. tokens=1" %%A in ("%TIME%") do set endTime=%%A
for /F "delims=: tokens=1,2,3" %%A in ("%endTime%") do (
set endH=%%A
set endM=%%B
set endS=%%C
)
if "%endM:~0,1%" == "0" set endM=%endM:~1,1%
if "%endS:~0,1%"=="0" set endS=%endS:~1,1%
for /F "delims=: tokens=1,2,3" %%A in ("%startTime%") do (
set startH=%%A
set startM=%%B
set startS=%%C
)
if "%startM:~0,1%"=="0" set startM=%startM:~1,1%
if "%startS:~0,1%"=="0" set startS=%startS:~1,1%
set /A totalTime=%endH%*3600+%endM%*60+%endS%-(%startH%*3600+%startM%*60+%startS%)
echo 共用時 %totalTime% 秒。
echo 起始時間：%startH%:%startM%:%startS%>>%mdfive%
echo 結(jié)束時間：%endH%:%endM%:%endS%>>%mdfive%
echo 共用時 %totalTime% 秒。>>%mdfive%
start %mdfive%
echo 
endlocal
@echo on