echo off

set mergetoolexe="%~dp0..\..\..\mergetool.exe"

set contributorFiles= -s="%~dp0src.vb" -b="%~dp0base.vb" -d="%~dp0dst.vb"

set resultFile= -r="%~dp0mergetoolresult.vb"

%mergetoolexe%%contributorFiles%%resultFile%


::  if you want to launch manually instead, you can try the following :-)

::  ..\..\..\mergetool.exe -s=src.vb -b=base.vb -d=dst.vb -r=mergetoolresult.vb