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-boun...@r-project.org] On Behalf Of Tobias Knuth
Sent: Friday, 1 April 2016 12:05 AM
To: r-help@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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