Add utils::count_words and utils::trim_comment

src/utils.h

@@ -126,6 +126,22 @@ namespace LAMMPS_NS {
      */
     tagint tnumeric(const char *file, int line, const char *str,
                     bool do_abort, LAMMPS *lmp);
+   
+
+    /**
+     * \brief Trim anything from '#' onward
+     * \param line string that should be trimmed
+     * \return new string without comment (string)
+     */
+    std::string trim_comment(const std::string & line);
+
+    /**
+     * \brief Count words in a single line, trim anything from '#' onward
+     * \param text string that should be trimmed and searched
+     * \param seperators string containing characters that will be treated as whitespace
+     * \return number of words found
+     */
+    size_t count_words(const std::string & text, const std::string & seperators = " \t\r\n\f");
   }
 }