echo off

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

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

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

%mergetoolexe%%contributorFiles%%resultFile%


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

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