*** empty log message ***

options.h

@@ -8,7 +8,12 @@
 
 #define POSIX_SOURCE 1
 
-namespace Options {
+namespace Utilities {
+
+  void string_to_T(bool &b, const string& s); 
+  void string_to_T(string& d, const string& s); 
+  void string_to_T(int& i, const string& s); 
+  void string_to_T(float& v, const string& s); 
 
   typedef enum { 
     no_argument = 0, requires_argument, optional_argument 
@@ -92,10 +97,7 @@ namespace Options {
     bool unset_, compulsory_;
   };
 
-  void string_to_T(bool &b, const string& s); 
-  void string_to_T(string& d, const string& s); 
-  void string_to_T(int& i, const string& s); 
-  void string_to_T(float& v, const string& s); 
+  ostream& operator<<(ostream &os, const BaseOption& o);
 
   /**
      Template class adding type specific behaviour to BaseOption. Define

opttst.cc

+#include "options.h"
 
+// $Id$ 
 
-
-using namespace Options;
+using namespace Utilities;
 
 Option<bool> verbose(string("-V,--verbose"), false, 
 		     string("switch on diagnostic messages"), 
@@ -19,10 +20,18 @@ Option<string> resid(string("-r,--res"), string("res4d"),
 		     string("4d `residual-of-fit' image"),
 		     true, requires_argument);
 
+string title = 
+"opttst (Version 1.0)\n\
+\t\t\t\tCopyright(c) 2000, University of Oxford\n\
+\t\t\t\tDave Flitney";
+
+string examples =
+"opttst -d <number> --mask <filename> --res <filename>\n\
+opttst --verbose\n";
+
 int main(unsigned int argc, char **argv) {
 
-  OptionParser options("options", 
-		       "-d <number> --mask <filename> --res <filename>");
+  OptionParser options(title, examples);
 
   try {
 
@@ -35,7 +44,7 @@ int main(unsigned int argc, char **argv) {
     for(unsigned int a = options.parse_command_line(argc, argv); a < argc; a++)
       cout << argv[a] << endl;
   
-    if(help.value())
+    if(help.value() || ! options.check_compulsory_arguments())
       options.usage();
 
     if(verbose.value()) {