print help on error

15 years ago · 61c77e8e92
parent 8cf6b56fe9
commit 61c77e8e92
1 changed files with 2 additions and 1 deletions
--- a/samples/cpp/starter_imagelist.cpp
+++ b/samples/cpp/starter_imagelist.cpp
@ -71,7 +71,8 @@ int main(int ac, char** av)

  if (!readStringList(arg,imagelist))
  {   
-    cerr << "Failed to read image list" << endl;
+    cerr << "Failed to read image list\n" << endl;
+    help(av);
    return 1;
  }