[R] [DKIM] Batch Installer for R [SEC=UNCLASSIFIED]

[Tobias Knuth]

Hi Douglas,

That is exactly what I was looking for. Thank you very much!

Hi Jin,

Thank you for your solution. It worked for me, but packrat (see below)
seems like a more refined approach. You might want to look at it ...

Best,
Tobias

On 1 April 2016 at 05:43, Li Jin <Jin.Li at ga.gov.au> wrote:

> Hi Tobias,
> Here is something I acquired from this mailing list some years ago. It
> works well for me:
>
> #---run in previous version (e.g. R 3.1.0)
> packages <- installed.packages()[,"Package"]
> save(packages, file="Rpackages_R3.1.0")
>
> #---run in new version
> load("Rpackages_R3.1.0")
>
> for (p in setdiff(packages, installed.packages()[,"Package"]))
> install.packages(p)
>
> Hope this helps.
>
> Jin
>
> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Tobias
> Knuth
> Sent: Friday, 1 April 2016 12:05 AM
> To: r-help at r-project.org
> Subject: [DKIM] [R] Batch Installer for R
>
> Hi everyone,
>
> in Python, you can run pip install -r filename to install all packages
> listed in the file. Is there something similar to R? If not, isn't it quite
> easy to write?
>
> For me, it would be much easier to work on projects with other people if I
> could just install all dependencies with one line in a generalised manner.
>
> Did anybody try something like that before me?
>
> Best,
> Tobias
>
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