Package 'autoLibLoad'

autoLibLoad

Description

given a list of packages, which ones are available from search path, installed packages, loaded packages, local directory

Usage

autoLibLoad(dir, packs, verbose = c(0, 3))

Arguments

dir	character string full path name of directory containing package sources
packs	list of package names
verbose	integer param passed to vprint()

Value

returns no value, but has side effect of modifying search() path and installing packages from CRAN

Examples

## Not run: 
# replace dir and packs with your own versions!!
try(remove.packages("cardUtils"))
try(detach("package:cardUtils"))
try(remove.packages("ggplot2"))
try(detach("package:ggplot2"))
dir1<-"~/personal/hearts/hearts_card_game_bayesian_inference/packages/"
dir2<-"inference_packages/inference_packages/"
dir<-sprintf("%s/%s",dir1,dir2)
packs<-c("cardUtils","clickableImageMap","ggplot2","xxxx")
l<-autoLibLoad(dir,packs)

## End(Not run)

---

getSysLib

Description

For consistency, make sure that we are always using the designated library rather than a random library

Usage

getSysLib(verbose = 4)

Arguments

verbose

parameter passed to vprint()

Value

returns a character string containing the path name for the designated library

Examples

if(interactive()) {
  sysLib<-getSysLib()
}

---

is_package_on_cran2

Description

which pakages in list are available on CRAN

Usage

is_package_on_cran2(pkg_names)

Arguments

pkg_names

list of package names

Value

returns a list of packages that are available on CRAN

Examples

is_package_on_cran2(c("ggplot2","xxxxx"))

---

loadPacks

Description

load packages as required

Usage

loadPacks(packs)

Arguments

packs

list of package names

Details

not allowed to have direct call to library() in CRAN package version that is permitted in CRAN package - see zload() in NoviceDeveloperResources package

Value

returns no value, but has side effect of loading packages in search() path

Examples

## Not run: 
# replace dir and packs with your own versions!!
install.packages("ggplot2")
packs<-"ggplot2"
l<-loadPacks(packs)

## End(Not run)

## Not run: 
# replace pack with your own versions!!
pack<-"ggplot2"
install.packages(pack)
eval(parse(text = sprintf("library(%s, verbose=TRUE)",pack)))

## End(Not run)

---

packagesInDir

Description

determine potential R packages within a given directory

Usage

packagesInDir(dir)

Arguments

dir	character string full path name to directory holding R packages

Value

returns a list of potential R packages

Examples

## Not run: 
# replace dir and packs with your own versions!!
dir1<-"~/personal/hearts/hearts_card_game_bayesian_inference/packages/"
dir2<-"inference_packages/inference_packages/"
dir<-sprintf("%s/%s",dir1,dir2)
packagesInDir(dir)

## End(Not run)

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