[R] Silencing the output of install.packages()
R. Michael Weylandt
michael.weylandt at gmail.com
Fri Jul 6 00:12:01 CEST 2012
On Thu, Jul 5, 2012 at 1:03 PM, craigcitro <craigcitro at gmail.com> wrote:
>>> Is there a way to suppress the output of 'install.packages()'? I have
>>> seen that the 'download.file' function has a 'quiet' option but I do
>>> not know how to use it.
>> I do not see any good reason to allow that. A user should see if
>> software is being installed.
> Hi Uwe,
> I have a proposed use-case. We run a series of unit tests in R, and want to
> plug them into various continuous build/test frameworks. Part of our system
> involves being able to install packages, so we need to actually run a unit
> test that uses `install.packages`. For better or worse, many of these depend
> on parsing the output of a test run; it's a lot of silly work to make them
> parse the additional `install.packages` output (as opposed to the much
> simpler `[\w]+: \.+` output from something like testthat in the case of
> Two questions:
> * Is there another workaround? I'm planning on some ugly hackery on our
> side to deal with this, but would love something cleaner.
> * If I were willing to write the patch, would turning these statements into
> something we could suppress be acceptable for R?
I think this has already been done in r59493ff of the svn repos by the
indefatigable Prof. Ripley
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