pkg_cache_api: Functions to query and manipulate the package cache

In pkgcache: Cache 'CRAN'-Like Metadata and R Packages

Functions to query and manipulate the package cache

Description

pkg_cache_summary() returns a short summary of the state of the cache, e.g. the number of files and their total size. It returns a named list.

Usage

pkg_cache_summary(cachepath = NULL)

pkg_cache_list(cachepath = NULL)

pkg_cache_find(cachepath = NULL, ...)

pkg_cache_get_file(cachepath = NULL, target, ...)

pkg_cache_delete_files(cachepath = NULL, ...)

pkg_cache_add_file(cachepath = NULL, file, relpath = dirname(file), ...)

Arguments

cachepath	Path of the cache. By default the cache directory is in R-pkg, within the user's cache directory. See rappdirs::user_cache_dir().
...	Extra named arguments to select the package file.
target	Path where the selected file is copied.
file	File to add.
relpath	The relative path of the file within the cache.

See Also

The package_cache R6 class for a more flexible API.

Examples

pkg_cache_summary()
pkg_cache_list()
pkg_cache_find(package = "forecast")
tmp <- tempfile()
pkg_cache_get_file(target = tmp, package = "forecast", version = "8.10")
pkg_cache_delete_files(package = "forecast")

pkgcache documentation built on July 26, 2023, 5:44 p.m.