Add utils::split_lines

src/utils.cpp

@@ -851,6 +851,14 @@ std::vector<std::string> utils::split_words(const std::string &text)
   return list;
 }
 
+/* ----------------------------------------------------------------------
+   Convert multi-line string into lines
+------------------------------------------------------------------------- */
+std::vector<std::string> utils::split_lines(const std::string &text)
+{
+  return Tokenizer(text, "\n").as_vector();
+}
+
 /* ----------------------------------------------------------------------
    Return whether string is a valid integer number
 ------------------------------------------------------------------------- */