Info<< "\nCreate databases as time" << endl; const auto caseDirOrig = getEnv("FOAM_CASE"); const auto caseNameOrig = getEnv("FOAM_CASE_NAME"); setEnv("FOAM_CASE", rootDirSource/caseDirSource, true); setEnv("FOAM_CASE_NAME", caseDirSource, true); Time runTimeSource ( Time::controlDictName, rootDirSource, caseDirSource ); setEnv("FOAM_CASE", caseDirOrig, true); setEnv("FOAM_CASE_NAME", caseNameOrig, true); Time runTimeTarget ( Time::controlDictName, rootDirTarget, caseDirTarget );