@ECHO off GOTO start :find_dp0 SET dp0=%~dp0 EXIT /b :start SETLOCAL CALL :find_dp0 IF EXIST "%dp0%\node.exe" ( SET "_prog=%dp0%\node.exe" ) ELSE ( SET "_prog=node" SET PATHEXT=%PATHEXT:;.JS;=;% ) endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\regexp-tree\bin\regexp-tree" %*