JavaScript 查找替换

@echo off

rem 查询 searchd 服务是否存在

sc query |find /i "searchd" >nul 2>nul
if not errorlevel 1 (goto exist) else goto notexist

rem 存在 searchd 服务

:exist
@echo.
pause
goto :eof

rem 不存在 searchd 服务

:notexist

setlocal enabledelayedexpansion
set txt=%cd%
set txt=!txt:\=/!

rem 查找 source.txt 文件中的 @DIR@ 替换成 %cd%（当前路径），并保存到文件 target.txt

call :replace %cd%\source.txt @DIR@ %txt% >%cd%\target.txt

@echo.
pause
goto :eof

rem 查找替换代码

:replace
for /f "tokens=1,2* delims=:" %%i in ('findstr /n ".*" %1') do (
  set txt=%%j
  if "!txt!" == "" (
    echo.
  ) else (
    echo !txt:%2=%3!
  )
)
goto :eof