@echo off
set today=%date:~0,4%-%date:~5,2%-%date:~8,2%
set fail=出问题的
set backup=备份
set databackup=数据备份\

if not exist "e:\a\%today%" md "e:\a\%today%"
if not exist "e:\a\%databackup%" md "e:\a\%databackup%"

copy e:\a\a.txt e:\a\%databackup%%backup%%today%.txt
for /f "usebackq delims=" %%a in ("e:\a\a.txt")do echo e:\b\%%a.jpg>>e:\a\b.txt
for /f "usebackq delims=" %%a in ("e:\a\b.txt") do if exist "%%~fa" copy "%%~fa" "e:\a\%today%"
for /f "usebackq delims=" %%a in ("e:\a\b.txt") do IF NOT EXIST %%~nxa echo %%~nxa>>e:\a\temp.txt
for /f "usebackq delims=. tokens=1" %%b in ("e:\a\temp.txt") do echo %%b>>e:\a\%fail%_%today%.txt
pause
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