+ String errMsg = String.format("SPECTO version 1.0\n" +
+ "Copyright (C) 2018-2019 Janus Varmarken and Rahmadi Trimananda.\n" +
+ "University of California, Irvine.\n" +
+ "All rights reserved.\n\n" +
+ "Usage: %s inputPcapFile onAnalysisFile offAnalysisFile onSignatureFile offSignatureFile resultsFile" +