docs: public static String escapeShell(final String s) {
          if(null==s){
              return s;
          }
          if (s.startsWith("'") && s.endsWith("'")) {
              return s;
          } else if (s.startsWith("\"") && s.endsWith("\"")) {
              return s.replaceAll("([\\\\`])", "\\\\$1");
          }
          return s.replaceAll("([&><|;\\\\`])", "\\\\$1");
      }