批处理如何替换文本内每行最后面的不同长度的长空格为短空格？

Answer 1

@echo off
setlocal enabledelayedexpansion
prompt $_
del 2.txt 2>nul
for /f "tokens=*" %%i in (1.txt) do (
set s=%%i
set s=!s:"=!
echo !s!>>2.txt
)
more +1 2.txt>3.txt
del 2.txt
for /f "tokens=1-3*" %%i in (3.txt) do (
set a=%%i
set b=%%j
echo !a:~,10! !b:~,10! "%%k %%l">>2.txt
echo !a:~,10! !b:~,10! "%%k %%l"
)
del 3.txt