added examples and info for nbconvert

IPython/nbconvert/nbconvertapp.py

@@ -24,7 +24,7 b' import os'
 
 #From IPython
 from IPython.config.application import Application
-from IPython.utils.traitlets import Bool
+from IPython.utils.traitlets import Bool, Unicode
 
 from .exporters.export import export_by_name
 from .exporters.exporter import Exporter
@@ -39,18 +39,27 b' from .utils.config import GlobalConfigurable'
 KEYS_PROMPT_HEAD = "====================== Keys in Resources =================================="
 KEYS_PROMPT_BODY = """
 ===========================================================================
-You are responsible for writting these files into the appropriate 
-directorie(s) if need be.  If you do not want to see this message, enable
+You are responsible for writing these files into the appropriate
+directory(ies) if need be.  If you do not want to see this message, enable
 the 'write' (boolean) flag of the converter.
 ===========================================================================
 """
 
+_examples = """
+ipython nbconvert rst Untitled0.ipynb    # convert ipynb to ReStructured Text
+ipython nbconvert latex Untitled0.ipynb  # convert ipynb to LaTeX
+ipython nbconvert reveal Untitled0.ipynb # convert to Reveal (HTML/JS) slideshow
+"""
+
 #-----------------------------------------------------------------------------
 #Classes and functions
 #-----------------------------------------------------------------------------
 
 class NbConvertApp(Application):
     """Application used to convert to and from notebook file type (*.ipynb)"""
+    description = Unicode(__doc__)
+
+    examples = _examples
 
     stdout = Bool(
         False, config=True,