Catch possible boost::bad_any_cast exception

apps/niftest/niftest.cpp

@@ -102,6 +102,17 @@ bool parseOptions (int argc, char** argv, std::vector<std::string>& files)
         bpo::parsed_options valid_opts = bpo::command_line_parser(argc, argv).
             options(desc).positional(p).run();
         bpo::store(valid_opts, variables);
+        bpo::notify(variables);
+        if (variables.count ("help"))
+        {
+            std::cout << desc << std::endl;
+            return false;
+        }
+        if (variables.count("input-file"))
+        {
+            files = variables["input-file"].as< std::vector<std::string> >();
+            return true;
+        }
     }
     catch(std::exception &e)
     {
@@ -110,18 +121,6 @@ bool parseOptions (int argc, char** argv, std::vector<std::string>& files)
         return false;
     }
 
-    bpo::notify(variables);
-    if (variables.count ("help"))
-    {
-        std::cout << desc << std::endl;
-        return false;
-    }
-    if (variables.count("input-file"))
-    {
-        files = variables["input-file"].as< std::vector<std::string> >();
-        return true;
-    }
-
     std::cout << "No input files or directories specified!" << std::endl;
     std::cout << desc << std::endl;
     return false;