I would not try uninstalling anything.  The binary used is set via
getOption("unzip"), and that in turn is set at R configure time and recorded in R_HOME/etc/Renviron. I have

R_UNZIPCMD=${R_UNZIPCMD-'/usr/bin/unzip'}

there. So you can alter that or set the environment variable in some other way.

The alternative is to alter R2HTML. R has zip.file.extract() which contains

        if (unzip != "internal") {
            if (!system(paste(unzip, "-o", file.path(path, zipname),
                topic, "-d", tmpd, " > /dev/null")))
                file <- file.path(tmpd, topic)
        }

and you will spot the crucial difference from R2HTML's myunzip().

Hope that helps!


On Sat, 27 Jan 2007, Leo Gürtler wrote:

Prof Brian Ripley schrieb:

Dear Prof Ripley,

thanks for your information, in my first email I mentioned that I use
Version 2.3.1 (2006-06-01) on ubuntu edgy. Sorry for leaving out the
version-no. 1.1.2.3-13ubuntu2, together with R2HTML 1.58, installed
directly from R via 'install.packages()'.

Yes - you're right, there is a .deb called 'zlib-bin' which is
responsible (binary called 'miniunzip'). The original 'unzip' you
mention is also present but not used, because ->

trying to deinstall 'zlib-bin' leads to unresolved dependencies with the
_whole_ 'r-base-core' on ubuntu.

This is totally unintelligible, because the man-page of miniunzip states

"It was written as a  demonstration  of  the zlib(3) library and
therefore lack many of the features of the unzip(1) program."

And - of course - there is no option like '-q' or '--q'.

What are my opportunities besides the need to contact the
ubuntu-maintainers to change the dependencies? There must be stated
somewhere that R should call miniunzip instead of unzip to decompress
files. Where can I find that option?

Thanks!

best,

leo





This is done by .onLoad, so your settings are irrelevant.

We have no information here on your platform, version of R, R2HTML or
anything else.  But almost certainly the problem is the command given by
getOption("unzip"), which looks like an unzip clone not respecting the
-q flag.

Try using the 'real' unzip () instead, from http://www.info-zip.org/.


On Sat, 27 Jan 2007, Leo Gürtler wrote:

Eric schrieb:
library(R2HTML, verbose = FALSE)


Dear Eric,

thanks - I tried that, but that does not work for me. And it does not
depend whether R2HTML is loaded via script/ batch job (-> webserver,
cgi) or directly within R.

The same happens (of course) by using

require(R2HTML, quietly=TRUE)

Are there any further options I missed?
The problem seems to be that the file "R2HTMLstuff.zip" is extracted
every time (although this is not necessary) - how can I ged rid of that?

thanks,

best,

leo


----output----

library(R2HTML, verbose=FALSE)
MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant
more info at http://www.winimage.com/zLibDll/unzip.html

/usr/local/lib/R/site-library/R2HTML/output/R2HTMLstuff.zip opened
extracting: ASCIIMathML.js
extracting: factor.gif
extracting: gridR2HTML.css
extracting: gridR2HTML.js
extracting: numeric.gif
extracting: Pastel.css
extracting: R2HTML.css
extracting: R2HTMLlogo.gif
creating directory: runtime/
creating directory: runtime/lib/
extracting: runtime/lib/grid.js
extracting: runtime/readme.txt
creating directory: runtime/styles/
creating directory: runtime/styles/classic/
extracting: runtime/styles/classic/gecko.xml
extracting: runtime/styles/classic/grid.css
extracting: runtime/styles/classic/grid.png
extracting: runtime/styles/classic/icons.png
extracting: runtime/styles/classic/loading.gif
creating directory: runtime/styles/flat/
extracting: runtime/styles/flat/gecko.xml
extracting: runtime/styles/flat/grid.css
extracting: runtime/styles/flat/grid.png
extracting: runtime/styles/flat/icons.png
extracting: runtime/styles/flat/loading.gif
creating directory: runtime/styles/xp/
extracting: runtime/styles/xp/gecko.xml
extracting: runtime/styles/xp/grid.css
extracting: runtime/styles/xp/grid.png
extracting: runtime/styles/xp/icons.png
extracting: runtime/styles/xp/loading.gif
extracting: SciViews.css
extracting: tablesort.htc


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--
Brian D. Ripley,                  [EMAIL PROTECTED]
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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