[文本处理] 求一个批处理把内容复制到某字符前面谢谢！

s091200

例子1 把内容Q355B复制到&字符前面

处理前
P: L100X7
M: Q355B
LP: 8045
SA100 SB100 TA7 TB7
DB21.5 X30 TR50
DB21.5 X90 TR50
MKFF-1D2W35-J3 & X420
M30
END

处理后
P: L100X7
M: Q355B
LP: 8045
SA100 SB100 TA7 TB7
DB21.5 X30 TR50
DB21.5 X90 TR50
MKFF-1D2W35-J3 Q355B& X420
M30
END

例子2 把内容A3复制到&字符前面
处理前
P: L100X7
M: A3
LP: 8045
SA100 SB100 TA7 TB7
DB21.5 X30 TR50
DB21.5 X90 TR50
MKFF-1D2W35-J3 & X420
M30
END

处理后
P: L100X7
M: A3
LP: 8045
SA100 SB100 TA7 TB7
DB21.5 X30 TR50
DB21.5 X90 TR50
MKFF-1D2W35-J3 A3& X420
M30
END
要求能处理多个子文件夹里的文件。谢谢！

s091200

回复 2# aloha20200628


    谢谢

aloha20200628

回复 1# s091200

给一个纯批处版本，在楼主前帖（http://www.bathome.net/thread-70440-1-1.html）中给的是 bat+sed 版本，以下代码中首行变量 n=2，用于前帖则改为 n=1

@echo off &setlocal &set "n=2"
for /f "delims=" %%F in ('dir /b/s/a-d *.txt') do (
   (for /l %%n in (1,1,%n%) do set/p "v=")<"%%F"
   for /f "tokens=1* delims=: " %%a in ('echo,%%v%%') do set "v=%%b"
   (for /f "usebackq delims=" %%a in ("%%F") do (
       set "a=%%a" &setlocal enabledelayedexpansion
       if "!a:&=!" neq "!a!" for %%v in ("!v!") do set "a=!a:&=%%~v&!"
       echo,!a!&endlocal))>"%%~dpnF.new%%~xF")
pause&exit/bCOPY