pacman 0.2.0

Package Information

Usage

p_information(package = "base", ..., fields = NULL)


p_info(package = "base", ..., fields = NULL)

Arguments

package
Name of the package to grab information for. Default is "base".
fields
A character vector giving the tags of fields to return (for use inside of functions rather than ...).
...
Names of fields (see fields argument) to extract.

Package Information

Package Information

Value

Returns a list of fields.

Description

Provides the information from for a package from the NAMESPACE. Information may include: title, version, author, maintainer, description, depends, imports, suggests

Note

Note that the output from p_information (when no fields are passed) prints pretty but is actually an accessible list (use names(p_info()) test).

Examples

p_information()



Package: base
Version: 3.1.2
Priority: base
Title: The R Base Package
Author: R Core Team and contributors worldwide
Maintainer: R Core Team <R-core@r-project.org>
Description: Base R functions
License: Part of R 3.1.2
Built: R 3.1.2; ; 2014-10-31 11:06:01 UTC; windows

-- File: C:/R/R-31~1.2/library/base/Meta/package.rds 



p_info()



Package: base
Version: 3.1.2
Priority: base
Title: The R Base Package
Author: R Core Team and contributors worldwide
Maintainer: R Core Team <R-core@r-project.org>
Description: Base R functions
License: Part of R 3.1.2
Built: R 3.1.2; ; 2014-10-31 11:06:01 UTC; windows

-- File: C:/R/R-31~1.2/library/base/Meta/package.rds 



names(p_info())



[1] "Package"     "Version"     "Priority"    "Title"       "Author"      "Maintainer"  "Description" "License"    
[9] "Built"      



p_info()[names(p_info())]



$Package
[1] "base"

$Version
[1] "3.1.2"

$Priority
[1] "base"

$Title
[1] "The R Base Package"

$Author
[1] "R Core Team and contributors worldwide"

$Maintainer
[1] "R Core Team <R-core@r-project.org>"

$Description
[1] "Base R functions"

$License
[1] "Part of R 3.1.2"

$Built
[1] "R 3.1.2; ; 2014-10-31 11:06:01 UTC; windows"




p_info(pacman)



Package: pacman
Type: Package
Title: Package Management Tool
Version: 0.2.0
Date: 2012-06-03
Authors@R: c(person("Tyler", "Rinker", role = c("aut", "cre", "ctb"), email = "tyler.rinker@gmail.com"),
           person("Dason", "Kurkiewicz", role = c("aut", "ctb"), email = "dasonk@iastate.edu"))
Author: Tyler Rinker [aut, cre, ctb], Dason Kurkiewicz [aut, ctb]
Maintainer: Tyler Rinker <tyler.rinker@gmail.com>
Depends: R (>= 2.13.0)
Imports: devtools
Suggests: knitr, lattice, testthat, XML
BugReports: https://github.com/trinker/pacman/issues?state=open
Description: This package is a designed to more conveniently perform tasks associated with add on
           packages.  pacman conveniently wraps library and package related functions and names them in
           an intuitive and consistent fashion.  It seeks to combine functionality from lower level
           functions which can speed up workflow.
License: GPL-2
URL: https://github.com/trinker/pacman
Roxygen: list(wrap = FALSE)
VignetteBuilder: knitr

-- File: C:\Users\Tyler\GitHub\pacman/DESCRIPTION 



p_info(pacman, Author)



$Author
[1] "Tyler Rinker [aut, cre, ctb], Dason Kurkiewicz [aut, ctb]"




p_info(pacman, BugReports, URL)



$BugReports
[1] "https://github.com/trinker/pacman/issues?state=open"

$URL
[1] "https://github.com/trinker/pacman"




p_info(pacman, fields = "Version")



$Version
[1] "0.2.0"




## <strong>Not run</strong>: 
# p_extract(p_info(ggplot2, "Depends"))
# p_extract(p_info(ggplot2, "Imports"))
# lapply(p_info(ggplot2, "Imports", "Depends", "Suggests"), p_extract)
# ## <strong>End(Not run)</strong>

See also

packageDescription, p_information