[Rd] demo enhancement

Kjell Konis kjell.konis at epfl.ch
Mon Feb 16 12:42:23 CET 2009

I put the diff here



On 16 févr. 09, at 12:35, Duncan Murdoch wrote:

> Kjell Konis wrote:
>> Hello,
>> I have a package for working with Bayesian networks (RHugin - on R-
>> Forge for those interested). It contains a function RHExample that
>> does the same thing as the demo function in the utils package except
>> that it does not display any output in the R console. I use it to
>> build simple networks in the examples section of my .Rd documentation
>> files. Anyway, I thought it would be useful if this functionality was
>> also part of the demo function. The attached diff adds an echo
>> argument to demo which, when set to FALSE, makes demo behave the same
>> as my RHExample function. Please feel free to use it if you think it
>> would be helpful.
> Your attachment got lost, but by coincidence, I was wanting an
> echo=FALSE argument to demo a couple of days ago.  I didn't add it  
> yet,
> because
> - I'd like consistency with example(), which suggests putting echo
> ahead of verbose
> - I'd rather not add a parameter in the middle of the list, just in
> case someone has used positional args
> - example() has other args not in demo(), i.e. local, setRNG, ask,
> prompt.prefix.  Should some or all of those be added at the same time?
> Since the first two items above are contradictory, I decided this  
> needed
> thinking about, but I haven't taken the time to do that yet.
> Duncan Murdoch

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