This is from your .Rbuildignore file.
`\` is usually interpreted as an escape character, e.g., to interpret '.' as a
literal period rather than a wild-card one would write `\.`. I think you're
trying to use it as a file path delimiter, and the easiest solution is to adopt
the Linux convention `/ignore`.
(but there is no 'ignore' folder in your git repository, so maybe you can just
delete the line from .Rbuildignore?)
The change is likely because R has changed, in the 4.0 release branch, the
underlying 'perl-compatible regular expression' (PCRE) library it uses for
regular expression matching.
Martin
On 4/13/20, 4:44 PM, "Bioc-devel on behalf of Anh N Tran"
<bioc-devel-boun...@r-project.org on behalf of trannhatan...@gmail.com> wrote:
Hello,
My package HPAanalyze (https://doi.org/doi:10.18129/B9.bioc.HPAanalyze) has
been having problem with the devel build/check, and I am not sure how to
troubleshoot it. The release branch has the same content, but does not have
this issue. The error note for all platforms are the same below:
* checking for file ‘HPAanalyze/DESCRIPTION’ ... OK
* preparing ‘HPAanalyze’:
* checking DESCRIPTION meta-information ... OK
Warning in grepl(e, files, perl = TRUE, ignore.case = TRUE) :
PCRE pattern compilation error
'unrecognized character follows \'
at 'ignore'
Error in grepl(e, files, perl = TRUE, ignore.case = TRUE) :
invalid regular expression '^\ignore'
Execution halted
I looked at the "ignore" folder, but it doesn't seem to contain any special
characters. This branch was pushed a few month ago, but only started having
this problem recently.
May you help me to figure out what's wrong, please?
Thank you very much.
Sincerely,
Anh Tran.
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