CrLf

@echo off
For /f "delims=" %%i In (test1) Do (
Echo "%%i" "%%~nxi">>test2
)
pause
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CrLf

@echo off
(for /f "delims=" %%a in (a.txt) do (
   set str=%%a
   setlocal enabledelayedexpansion
   echo "!str!" "!str:*:\require\test\=!"
   endlocal
))>b.txt
pause
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CrLf

或用第三方 sed：

@sed "s/^.:\\require\\test\\\(.*\)/\x22&\x22 \x22\1\x22/" a.txt>b.txt
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CrLf

回复 6# kingshui

@echo off
set "key=X:\require\test\"
set "key=%key:!=|%"
(for /f "delims=" %%a in (a.txt) do (
   set str=%%a
   call set "str=%%str:!=|%%"
   setlocal enabledelayedexpansion
   echo "!str!" "!str:*%key%=!"
   endlocal
   call set "str=%%str:|=!%%"
))>b.txt
pause
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CrLf

@echo off
set "key=X:\require\test\"
set "key=%key:!=|%"
(for /f "delims=" %%a in (a.txt) do (
   set "str=%%a"
   call :fun
))>b.txt
pause&exit

:fun
set "str=%str:!=|%"
setlocal enabledelayedexpansion
set str="!str!" "!str:*%key%=!"
endlocal&echo %str:|=!%
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CrLf

回复 15# kingshui


    括号代表复合语句，预处理时会把 %var% 先解释成字符串，而 !var! 则留到命令实际执行前夕再临时解释，用 call 的目的是避免 %var% 位于复合语句中