[R] Finding non-ASCII characters in R code using R

[Prof Brian Ripley]

See 'Writing R Extensions' ...

'Function showNonASCII in package tools can help in finding non-ASCII 
bytes in files.'

On Tue, 1 Feb 2011, Mark Heckmann wrote:

>
> During R CMD check I get the following note:
>
> * checking data for non-ASCII characters ... NOTE
>  Note: found 9 marked UTF-8 string(s)
>
> How can I search my code files for non ASCII chars using R?
>
> Thanks,
> Mark
>
> -- 
> Mark Heckmann (Dipl. Wirt.-Ing.)
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>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595