[R-pkg-devel] corrupted NAMESPACE file

[Uwe Ligges]

On 20.01.2023 15:53, Ivan Krylov wrote:
> В Fri, 20 Jan 2023 08:41:25 -0600
> Spencer Graves <spencer.graves using effectivedefense.org> пишет:
> 
>> ** byte-compile and prepare package for lazy loading
>> Error in parse(nsFile, keep.source = FALSE, srcfile = NULL) :
>>     1:1: unexpected input
> 
> tools::showNonASCIIfile('https://raw.githubusercontent.com/JamesRamsay5/fda/master/NAMESPACE')
> # 1: <ef><bb><bf>export(AmpPhaseDecomp,
> 
> Your NAMESPACE file starts with a U+FEFF ZERO WIDTH NO-BREAK SPACE.
> You'll need to remove it, e.g. by re-creating the first line.


Note that this is also called "byte order mark" (BOM). Tell your editor 
not to create files with BOM.

You can also fix in R:

x <- readLines(..., encoding="UTF-8-BOM")
writeLines(x, ......)

Best,
Uwe Ligges