[R] nano syntax highlighting for R

[Mike Miller]

Nano is Free Software and a nice intro text editor.  It also starts up 
very quickly and has good syntax highlighting functionality, so it makes a 
nice file viewer.  The syntax highlighting is configured in the ~/.nanorc 
file.  See the attached code and screenshot.

I was looking for good nano syntax highlighting code for R when I found by 
Stephen Haptonstahl's code here:

http://srh.ucdavis.edu/drupal/node/20

He is happy for others to use the code, modify it and distribute it.  My 
edited version of his code is attached.  To use it, just append it to your 
~/.nanorc file.  There's also a systemwide way to use it, but I don't know 
offhand.  To use nano in a view-only mode, just use the -v option to turn 
off editing functionality:

nano -v file.R

The .R file extension will cause Nano to use the R syntax highlighting, 
but it can also be triggered with the -Y option:

nano -v -Y R file.whatever

Of course, nano also is an editor, so just drop the -v option if you want 
to edit a file.

The screenshot looks pretty nice now (I'm using xterm with white on black 
and haven't tested with black on white), but I'm sure it can be improved 
further.  I don't have time to work on it much now, but maybe someone else 
will want to pick it up.

Best,
Mike

--
Michael B. Miller, Ph.D.
Bioinformatics Specialist
Minnesota Center for Twin and Family Research
Department of Psychology
University of Minnesota
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