Implementing commands

src/utils/utils.hpp

@@ -41,4 +41,8 @@ std::string replace_with_environment_variables_like_bash(std::string str);
 
 std::string random_alphanumeric_string(int length);
 
+int die(const std::string & msg);
+std::string safearg(int argc, char *argv[], int index);
+std::string safearg(const std::vector<std::string> & args, int index);
+
 } // namespace dropshell