[R] Sweave: cat() in a chunk with option results=texdoesn'tproducelinebreaks at the end of a character string anymore

[Duncan Murdoch]

On 05/03/2014 9:29 AM, Gerrit Eichner wrote:
> Thanks, Duncan,
>
> but, sorry, including
>
> \SweaveOpts{strip.white=true}
>
> doesn't help. Have tried that before and forgot to mention; sorry!

true is the default.  You want false.

Duncan Murdoch

>
> BTW: using \SweaveOpts{strip.white="true"}, i.e., with quotation marks as
> requested in RweaveLatex()'s help file, throws out
>
> Error in match.arg(options$strip.white, c("true", "false", "all")) :
>     'arg' should be one of "true", "false", "all"
>
> which used to happen before (on my system) so that I used to use it w/o
> quotes successfully. (!?)
>
>
> Still big question marks ... Any further ideas?
>
>    Regards -- Gerrit
>
>
> On Wed, 5 Mar 2014, Duncan Murdoch wrote:
>
> > On 05/03/2014 7:32 AM, Gerrit Eichner wrote:
> >> Hello, everyone,
> >>
> >> I am struggling with an Sweave-problem that didn't occur sofar (and I have
> >> no clue what I might have changed in my system; see below). The following
> >> example *.Rnw file's only task is (for simplicity) to output text with a
> >> little bit of TeX-code with linebreaks (e. g., to be better readable):
> >>
> >>
> >> \documentclass{article}
> >> \begin{document}
> >> Text 1 (not through cat()) followed by a double-backslash and
> >> a blank line, i.e., a linebreak.\\
> >>
> >> <<echo=FALSE, results=tex>>=
> >> cat( "Text 2 (through cat()) with a respected newline here\n",
> >>        "and likewise two tabs here\t\t followed by two double-backslashes
> >> ",
> >>        "and IGNORED newline escape characters at the end.\\\\ \n \n",
> >>        sep = "")
> >>
> >> cat( "Text 3 (through cat()) just to finish this example and ",
> >>        "with also IGNORED newline escapes at its end. \n \n", sep = "")
> >> @
> >> \end{document}
> >>
> >>
> >>
> >> When processed by Sweave I obtain the following TeX file:
> >>
> >>
> >> \documentclass{article}
> >> \usepackage{Sweave}
> >> \begin{document}
> >> Text 1 (not through cat()) followed by a double-backslash and
> >> a blank line, i.e., a linebreak.\\
> >>
> >> Text 2 (through cat()) with a respected newline here
> >> and likewise two tabs here		 followed by two
> >> double-backslashes and IGNORED newline escape characters at the end.\\
> >> Text 3 (through cat()) to finish this example and with also IGNORED
> >> newline escapes at its end. \end{document}
> >>
> >>
> >> the point being that the linebreaks (\n) at the ends of the output
> >> character strings have been completely ignored.
> >
> > See the "strip.white" option in ?RweaveLatex.
> >
> > Duncan Murdoch
> >
> >>
> >> I wasn't successful in searching the archive, RSeek, SE and the like. Any
> >> idea where and how to continue to search, or what to do to get back
> >> Sweave's "old" behavior (except for reinstalling R ... which of course is
> >> still an option)? Thanks for any hint!
> >>
> >>    Best regards  --  Gerrit
> >>
> >> PS:
> >> > sessionInfo()
> >> R version 3.0.2 (2013-09-25)
> >> Platform: x86_64-w64-mingw32/x64 (64-bit)
> >>
> >> locale:
> >> [1] LC_COLLATE=German_Germany.1252  LC_CTYPE=German_Germany.1252
> >> [3] LC_MONETARY=German_Germany.1252 LC_NUMERIC=C
> >> [5] LC_TIME=German_Germany.1252
> >>
> >> attached base packages:
> >> [1] graphics  grDevices utils     datasets  stats     methods   base
> >>
> >> other attached packages:
> >> [1] fortunes_1.5-2
> >>
> >> loaded via a namespace (and not attached):
> >> [1] grid_3.0.2      lattice_0.20-27 tools_3.0.2
> >>
> >>
> >>
> >> ---------------------------------------------------------------------
> >> Dr. Gerrit Eichner                   Mathematical Institute, Room 212
> >> gerrit.eichner at math.uni-giessen.de   Justus-Liebig-University Giessen
> >> Tel: +49-(0)641-99-32104          Arndtstr. 2, 35392 Giessen, Germany
> >> Fax: +49-(0)641-99-32109        http://www.uni-giessen.de/cms/eichner
> >>
> >> ______________________________________________
> >> R-help at r-project.org mailing list
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained, reproducible code.
>