From: Alexander Schmidt <alex@treefish.org>
Date: Fri, 6 Feb 2015 13:34:26 +0000 (+0100)
Subject: Show help if no files given.
X-Git-Url: http://git.treefish.org/~alex/usetaglib.git/commitdiff_plain/e1201d65f6c5a5ff31b5eeceb277ff3727018903

Show help if no files given.
---

diff --git a/usetaglib.cpp b/usetaglib.cpp
index b175b2d..439e9a1 100644
--- a/usetaglib.cpp
+++ b/usetaglib.cpp
@@ -196,9 +196,14 @@ 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]);