Extended help text.

[usetaglib.git] / usetaglib.cpp

diff --git a/usetaglib.cpp b/usetaglib.cpp
index b175b2dba3019597440459d499a21ea4a85372ba..7909009ca1895dc40cc37fd408b82129876317ab 100644 (file)
--- a/usetaglib.cpp
+++ b/usetaglib.cpp
@@ -122,14 +122,25 @@ void printHelp ()
   cout << "-h, --help   Show this help" << endl;
   cout << endl;
   cout << "ACTIONS" << endl;
-  cout << setfill(' ') << setw(45) << left << "  -l, --list"
+  cout << setfill(' ') << setw(37) << left << "  -l, --list"
        << "list all tags (implicit if no action specified)"<< endl;
-  cout << setfill(' ') << setw(45) << left << "  -e, --erase=TAGNAME"
-       << "erase tag with name TAGNAME"<< endl;
-  cout << setfill(' ') << setw(45) << left << "  -r, --replace=TAGNAME=TAGVAL[=TAGVAL...]"
-       << "replace tag TAGNAME with list of values TAGVAL"<< endl;
-  cout << setfill(' ') << setw(45) << left << "  -i, --insert=TAGNAME=TAGVAL[=TAGVAL...]"
-       << "insert list of values TAGVAL for tag TAGNAME"<< endl;
+  cout << setfill(' ') << setw(37) << left << "  -a, --listaudio"
+       << "show audio information"<< endl;
+  cout << setfill(' ') << setw(37) << left << "  -e, --erase=TAGNAME"
+       << "erase tag TAGNAME"<< endl;
+  cout << setfill(' ') << setw(37) << left << "  -r, --replace=TAGNAME=TAGVALSPEC"
+       << "replace tag TAGNAME with value TAGVALSPEC"<< endl;
+  cout << setfill(' ') << setw(37) << left << "  -i, --insert=TAGNAME=TAGVALSPEC"
+       << "insert value TAGVALSPEC for tag TAGNAME"<< endl;
+  cout << endl;
+  cout << "TAGVALSPEC" << endl;
+  cout << "  a list of values separated by '=': val1=val2=val3..." << endl;
+  cout << endl;
+  cout << "EXAMPLES" << endl;
+  cout << "  usetaglib file.ogg" << endl;
+  cout << "  usetaglib -e ALBUM file.flac" << endl;
+  cout << "  usetaglib -i ARTIST=Horst=Hubert file.mp3" << endl;
+  cout << "  usetaglib -r ARTIST=Horst file.ogg" << endl;
 }
   
 int main(int argc, char *argv[])
@@ -196,9 +207,14 @@ int main(int argc, char *argv[])
         }
     }
 
+  if ( optind == argc ) {
+    printHelp();
+    return 0;
+  }
+  
   if (requestedActions.size() == 0)
     requestedActions.push_back( make_pair(LIST, "") );
-  
+        
   for(int i = optind; i < argc; i++) {
     cout << "******************** \"" << argv[i] << "\" ********************" << endl;
     TagLib::FileRef f(argv[i]);