mip 0.1

Install packages 'my way'

Usage

my.install.packages(pkg, lib, local.repo, url.repo, cmd = NULL, type = "source",
  dir.pkg)

Arguments

pkg
Character string of the name of the package folder.
lib
Character string of the path specifying the local library.
local.repo
Character string of the path specifying the place (i.e. repository) to download pkg.
url.repo
URL containing the package folder. If missing, then supply a specific valid command-line command for obtaining the package.
cmd
Specific valid command-line command for obtaining the package. If NULL, then the wget shell command is used to obtain url.repo.
type
Passed to install.packages.
dir.pkg
If package directory is in a sub-folder of the folder downloaded using cmd, then specify a character string with the name of this sub-folder.

Value

Nothing is returned because it is called for its side effect of downloading and installing a package.

Description

User unfriendly way to download and install multiple versions of R packages: (1) download to specified local 'repository' and (2) install to specified local library. Only tested on mac OS 10.5.8. mip is an alias for my.install.packages.

Examples

# create new library and repository
cdir <- getwd()
MyRlib <- paste(cdir, '/TMP_MyRlib/', sep = '')
MyRrepo <- paste(cdir, '/TMP_MyRrepo/', sep = '')
dir.create(MyRlib)
dir.create(MyRrepo)

# download (into MyRrepo) and install (into MyRlib) previous
# version of the tensor package
my.install.packages(
        pkg = 'tensor_1.4.tar.gz',
        lib = MyRlib, local.repo = MyRrepo,
        url.repo = 'http://cran.r-project.org/src/contrib/Archive/tensor/')

# two versions living together
library(tensor, lib.loc = MyRlib)
packageVersion('tensor') # 1.4


[1] ‘1.4’



detach('package:tensor', unload = TRUE)
packageVersion('tensor') # 1.5


[1] ‘1.5’




# remove the library and repository
unlink(MyRlib, recursive = TRUE)
unlink(MyRrepo, recursive = TRUE)