Re: [R] error on R CMD rtags

2010-11-10 Thread Duncan Murdoch

On 10/11/2010 12:13 PM, Liviu Andronic wrote:

Dear all
I'm getting a strange error when trying to use rtags() to generate
tags in Emacs format.
r...@liv-laptop:/usr/lib/R# R CMD rtags -o /usr/local/build/ETAGS
--no-Rd --no-c library/

Tagging R files under library/; writing to /usr/local/build/ETAGS
(overwriting)...

[..]

Error: '\.' is an unrecognized escape in character string starting "[.]*\."
Execution halted
Done

?rtags says that
pattern = "\\.[RrSs]$"

so I don't understand why it would throw up this error. The output
file is empty. Am I doing something wrong?
Looks like not enough escapes, i.e. the shell takes \\ to mean \, so R 
sees "\.[RrSs]$", which contains the unrecognized escape \.


Duncan Murdoch


Liviu


>  sessionInfo()
R version 2.11.1 (2010-05-31)
x86_64-pc-linux-gnu

locale:
  [1] LC_CTYPE=en_US.UTF-8   LC_NUMERIC=C
  [3] LC_TIME=en_US.UTF-8LC_COLLATE=en_US.UTF-8
  [5] LC_MONETARY=C  LC_MESSAGES=en_US.UTF-8
  [7] LC_PAPER=en_US.UTF-8   LC_NAME=C
  [9] LC_ADDRESS=C   LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] stats graphics  grDevices utils datasets  methods   base

other attached packages:
[1] fortunes_1.4-0 IPSUR_1.1




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[R] error on R CMD rtags

2010-11-10 Thread Liviu Andronic
Dear all
I'm getting a strange error when trying to use rtags() to generate
tags in Emacs format.
r...@liv-laptop:/usr/lib/R# R CMD rtags -o /usr/local/build/ETAGS
--no-Rd --no-c library/

Tagging R files under library/; writing to /usr/local/build/ETAGS
(overwriting)...

[..]

Error: '\.' is an unrecognized escape in character string starting "[.]*\."
Execution halted
Done

?rtags says that
pattern = "\\.[RrSs]$"

so I don't understand why it would throw up this error. The output
file is empty. Am I doing something wrong?
Liviu


> sessionInfo()
R version 2.11.1 (2010-05-31)
x86_64-pc-linux-gnu

locale:
 [1] LC_CTYPE=en_US.UTF-8   LC_NUMERIC=C
 [3] LC_TIME=en_US.UTF-8LC_COLLATE=en_US.UTF-8
 [5] LC_MONETARY=C  LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=en_US.UTF-8   LC_NAME=C
 [9] LC_ADDRESS=C   LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] stats graphics  grDevices utils datasets  methods   base

other attached packages:
[1] fortunes_1.4-0 IPSUR_1.1


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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.