went

@echo off
REM 文件路径
set "txt=123.txt"
powershell -version 2.0 -c "(Get-Content '%txt%') | foreach {($_ -replace '(?=[^\s])(?<=[^\s])','】【' -replace '(?<=^\s*)','【' -replace '【(?=\s)','') + '】'} | Out-File 'new.txt'"
pause&exit
复制代码

文字保存为123.txt,ANSI编码
代码保存为bat,ANSI编码
生成new.txt

went

回复 4# 188388

@echo off
REM 文件路径
set "txt=123.txt"
powershell -version 2.0 -c "(Get-Content '123.txt') -replace '(?=[^\n])','】【' -replace '^】','' -replace '(?<=\S)(?=\s*$)','】' | Out-File 'new.txt'"
pause&exit
复制代码

went

用楼上的方法很简单,搞复杂了

@echo off
REM 文件路径
set "txt=123.txt"
powershell -version 2.0 -c "(Get-Content '123.txt') -replace '(.)','【$1】' | Out-File 'new.txt'"
pause&exit
复制代码