[R] R CMD check <PACKAGE> Error

[Prof Brian Ripley]

One thing I should add for the archives -- R 2.7.0 and later have

     o	New function showNonASCII() in package tools to aid detection
 	of non-ASCII characters in .R and .Rd files.


On Fri, 18 Apr 2008, Prof Brian Ripley wrote:

> On Fri, 18 Apr 2008, Johannes Graumann wrote:
>
>> Hi,
>>
>> Can anyone give me a hint on what's wrong if "R CMD check <PACKAGE>" gives
>> me this error:
>>
>>        Rd files with unknown encoding:
>>          <FILENAME>.Rd
>>
>> I have checked that file over and over and can't find any weired characters
>> or some such.
>> How can I fix this?
>
> Remove the non-ASCII characters, or declare an encoding.
>
> You didn't tell us your OS -- one good way I find on Linux to spot such
> characters is to use 'less 'in the C locale.  Another is something like
> (in R)
>
> foo <- readLines("foo.Rd")
> foo2 <- iconv(foo, "", "ASCII", sub="byte")
> foo2[foo2 != foo]
>
> which should show the line(s) concerned with non-ASCII characters
> highlighted as <xx>.
>
> -- 
> 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
>
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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