docs: protected String getReadElfTag(String tag) {
          String tagValue = null;
          try {
              String result[] = ExecUtil.execute("/usr/bin/readelf -A /proc/self/exe");
              if(result != null){
                  for(String line : result) {
                      line = line.trim();
                      if (line.startsWith(tag) && line.contains(":")) {
                          String lineParts[] = line.split(":", 2);
                          if(lineParts.length > 1)
                              tagValue = lineParts[1].trim();
                          break;
                      }
                  }
              }
          }
          catch (IOException|InterruptedException ioe) { ioe.printStackTrace(); }
          return tagValue;
      }