@if(0)==(0) echo off&type "a.txt"|cscript -nologo -e:jscript "%~f0">b.txt&pause&exit /b&@end

WScript.StdIn.ReadAll().replace(/([^-]+-+[^-]+).*(?:\r\n|$)/g,function($0,$1){
	WSH.Echo($1);
});
復(fù)制代碼

@echo off
(for /f "tokens=1,2 delims=-" %%i in (a.txt) do echo;%%i----%%j)>b.txt
pause & exit /b
復(fù)制代碼

********************

1. @echo off

2. set /p str=請拖入需要處理的文件，然后回車：

3. (for /f "tokens=1,2 delims=-" %%i in (%str%) do echo;%%i----%%j)>b.txt

4. pause & exit /b

**********************

1. @echo off

2. set /p str=請拖入需要處理的文件，然后回車：

3. for /f "delims=" %%a in ("%str%") do (

4.   set p=%%~pa

5.   set n=%%~na

6. )

7. (for /f "tokens=1,2 delims=-" %%i in (%str%) do echo;%%i----%%j)>"%p%%n%_b.txt"

8. pause & exit /b