Maybe related to this?
https://bugs.r-project.org/bugzilla/show_bug.cgi?id=17556
>>>>> "Antoine" == Ant F <[email protected]> writes:
Antoine> Dear all,
Antoine> The help for `?install.packages` decribes, in the `pkg` argument
Antoine> description :
>> If this is missing, a listbox of available packages is presented where
Antoine> possible in an interactive R session.
Antoine> In fact running it with a missing argument triggers an error :
Antoine> install.packages()
>> Error in install.packages : argument "pkgs" is missing, with no default
Antoine> What however doesn't trigger an error is callinginstall.packages
on a zero
Antoine> length character :
Antoine> install.packages(character(0))
Antoine> On my colleague's R 3.5.1 windows installation it shows the
listbox of
Antoine> available packages, on my 3.6.0 installation it pauses for a
couple seconds
Antoine> and doesn't do anything.
Antoine> A character vector of length zero is what you get when you compute
an empty
Antoine> `setdiff` or `intersection`, so it was very surprising to us to see
Antoine> something popup where we were expecting a vector of missing
packages to be
Antoine> installed (or none if there was no missing package).
Antoine> I believe having the function work as advertised with a proper
missing
Antoine> argument, and having it do nothing silently when the argument is
of length
Antoine> zero, would make more sense.
Antoine> Best regards,
Antoine> Antoine
--
Enrico Schumann
Lucerne, Switzerland
http://enricoschumann.net
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