var getRawCoreInfo = function (coreIndex, done) { var length = splittedInfo.length; var firstIndex = ((splittedInfo.length * (coreIndex) ) / coresCount); var lastIndex = ((splittedInfo.length * (coreIndex + 1) ) / coresCount); var rawCoreInfo = _.at(splittedInfo,_.range(firstIndex,lastIndex)); return done(rawCoreInfo); }