[R] ctv, install.views, install.packages (& update.packages)

[Achim Zeileis]

On Mon, 14 Apr 2008, Vorlow Constantinos wrote:

> Dear all,
>
> Wouldn't it be helpful if the
>
> install.views
> install.packages
> update.packages
>
> had a "downloadonly=TRUE" flag which would allow us to download the
> packages and install them later (or put them in a USB stick and take
> them for installation on anothe PC).
>
> I am behind a firewall (Bank) and I have serious plroblem updating R or
> installing views (Finance, Econometrics etc. etc.). The download breaks
> up somehow and the installation or the update never completes...  From
> my ADSL at home, there is no such problem.... We can not use FTP
> either....
>
> I am particularly interested in the install.views that would allow a
> bundle of packages to be downloaded and installed  offline....

It seems that download.packages() would do what you want to do.

For example, if you want to download all packages from the "Finance" view
you could do:

library("ctv")             ## load package
x <- available.views()     ## get information about all available views
x <- x[[6]]                ## select Finance view
download.packages(x$packagelist$name, "path/to/downloaddir")

which downloads all packages from the view into the specified directory.

hth,
Z

> Is the above possible now? If it is already, please disregard my silly
> email...
>
> Best regards,
> Costas
>
>
>
>
> P Think before you print.
>
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