rootpy/rootpy — pull request #172 by ndawe (2013-02-13 06:15:14+00:00)
Title: roosh: make libs positional arguments

```
> roosh -h
usage: roosh [-h] [-l] [-u] filename [libs [libs ...]]

positional arguments:
filename
libs libraries required to read contents of the ROOT file

optional arguments:
-h, --help show this help message and exit
-l don't print the intro message
-u, --update open the file in UPDATE mode (default: READ)
```