lvsehuaxue

连中间的空格数都不变

@echo off
for /f "tokens=1 delims=" %%i in (a.txt) do (
   setlocal enabledelayedexpansion
   set "var=%%~nxi"
   for %%i in (%%i) do (
       set /a n+=1
       if !n! equ 1 set "str1=%%i"
       set "str2=%%i"
   )
   set "var=!var!$$"
   call set "var=%%var:*!str1!=!str2!%%"
   call echo %%var:!str2!$$=%%
   endlocal
)  
pause
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