Function reference • Require

All functions
`DESCRIPTIONFileVersionV()` `DESCRIPTIONFileOtherV()` `getGitHubDESCRIPTION()`	GitHub package tools
`parseGitHub()`	Parse a github package specification
`getPkgVersions()`	Internals used by `Require`
`Require()` `Install()`	Require: Installing and Loading R Packages for Reproducible Workflows
`RequireCacheDir()` `RequirePkgCacheDir()`	Path to (package) cache directory
`RequireOptions()` `getRequireOptions()`	`Require` options
`availablePackagesOverride()`	Create a custom "available.packages" object
`availableVersionOK()`	Needs `VersionOnRepos`, `versionSpec` and `inequality` columns
`archiveVersionsAvailable()` `available.packagesCached()`	Available and archived versions
`checkPath` `checkPath,character,logical-method` `checkPath,character,missing-method` `checkPath,NULL,ANY-method` `checkPath,missing,ANY-method`	Check directory path
`clearRequirePackageCache()`	Clear Require Cache elements
`detachAll()`	Detach and unload all packages
`extractPkgName()` `extractVersionNumber()` `extractInequality()` `extractPkgGitHub()`	Extract info from package character strings
`getOptionRPackageCache()`	Get the option for `Require.RPackageCache`
`invertList()`	Invert a 2-level list
`linkOrCopy()` `fileRenameOrMove()`	Create link to file, falling back to making a copy if linking fails.
`messageDF()` `messageVerbose()` `messageVerboseCounter()`	Use message to print a clean square data structure
`modifyList2()` `modifyList3()`	`modifyList` for multiple lists
`normPath` `normPath,character-method` `normPath,list-method` `normPath,NULL-method` `normPath,missing-method` `normPath,logical-method`	Normalize filepath
`paddedFloatToChar()`	Convert numeric to character with padding
`pkgDep()` `pkgDep2()` `pkgDepTopoSort()`	Determine package dependencies
`pkgDepIfDepRemoved()`	Package dependencies when one or more packages removed
`pkgSnapshot()` `pkgSnapshot2()`	Take a snapshot of all the packages and version numbers
`rversions`	R versions
`setLibPaths()`	Set `.libPaths`
`setLinuxBinaryRepo()`	Setup for binary Linux repositories
`setdiffNamed()`	Like `setdiff`, but takes into account names
`setup()` `setupOff()`	Setup a project library, cache, options
`sourcePkgs()`	A list of R packages that should likely be installed from Source, not Binary
`tempdir2()`	Make a temporary (sub-)directory
`tempfile2()`	Make a temporary subfile in a temporary (sub-)directory
`trimVersionNumber()`	Trim version number off a compound package name

Reference

All functions