checkVersions | R Documentation |
Checks for previous versions, and returns the file paths for packages with multiple versions. You can subsequently decide which version to keep.
checkVersions(pkgs = NULL, path = NULL, type = "source", Rversion = R.version)
pkgs |
Character vector of packages to be installed. If not provided, checks all files for multiple package versions. |
path |
The local path to the directory where the miniCRAN repo resides. |
type |
character, indicating the type of package to download and
install. See |
Rversion |
Version of R (only used if
|
Returns invisibly the file paths to packages with multiple versions for removal.
list with an element for each type
, consisting of a character
vector of download paths
Other update repo functions:
addOldPackage()
,
addPackage()
,
makeRepo()
,
updatePackages()
### `checkVersions` and `add.packages.miniCRAN` require an existing miniCRAN repo # Specify list of packages to download revolution <- c(CRAN = "https://cloud.r-project.org") revolution pkgs <- c("foreach") pkgTypes <- c("source", "win.binary") if (interactive()) { if (!is.online()) { message("MRAN seems to be not available. Check your internet connection.") } else { pdb <- pkgAvail(repos = revolution, type = "source") } } else { pdb <- cranJuly2014 } if (interactive()) { if (!is.online()) { message("MRAN seems to be not available. Check your internet connection.") } else { pkgList <- pkgDep(pkgs, availPkgs = pdb, repos = revolution, type = "source", suggests = FALSE) pkgList } } # Create temporary folder for miniCRAN if (interactive()) { if (!is.online()) { message("MRAN seems to be not available. Check your internet connection.") } else { dir.create(pth <- file.path(tempdir(), "miniCRAN")) # Make repo for source and win.binary makeRepo(pkgList, path = pth, repos = revolution, type = pkgTypes) # Add other versions of a package (and assume these were added previously) oldVers <- data.frame( package = c("foreach", "codetools", "iterators"), version = c("1.4.0", "0.2-7", "1.0.5"), stringsAsFactors = FALSE ) pkgs <- oldVers$package addOldPackage(pkgs, path = pth, vers = oldVers$version, repos = revolution, type = "source") # NOTE: older binary versions would need to be build from source # List package versions in the miniCRAN repo (produces warning about duplicates) pkgVersionsSrc <- checkVersions(pkgs, path = pth, type = "source") pkgVersionsBin <- checkVersions(pkgs, path = pth, type = "win.binary") # After inspecting package versions, remove old versions basename(pkgVersionsSrc$source) # "foreach_1.4.0.tar.gz" "foreach_1.4.2.tar.gz" basename(pkgVersionsBin$win.binary) # "foreach_1.4.0.zip" "foreach_1.4.2.zip" file.remove(c(pkgVersionsSrc$source[1], pkgVersionsBin$win.binary[1])) # Rebuild package index after adding/removing files updateRepoIndex(pth, type = pkgTypes, Rversion = R.version) pkgAvail(pth, type = "source") # Add new packages (from CRAN) to the miniCRAN repo addPackage("Matrix", path = pth, repos = revolution, type = pkgTypes) # Delete temporary folder unlink(pth, recursive = TRUE) } }
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.