Collect HTML Links from Package Documentation

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Description

Compute relative file paths for URLs to other package's installed HTML documentation.

Usage

1
findHTMLlinks(pkgDir = "", lib.loc = NULL, level = 0:2)

Arguments

pkgDir

the top-level directory of an installed package. The default indicates no package.

lib.loc

character vector describing the location of R library trees to scan: the default indicates .libPaths().

level

Which level(s) to include.

Details

findHTMLlinks tries to resolve links from one help page to another. It uses in decreasing priority

  • The package in pkgDir: this is used when converting HTML help for that package (level 0).

  • The base and recommended packages (level 1).

  • Other packages found in the library trees specified by lib.loc in the order of the trees and alphabetically within a library tree (level 2).

Value

A named character vector of file paths, relative to the ‘html’ directory of an installed package. So these are of the form ‘"../../somepkg/html/sometopic.html"’.

Author(s)

Duncan Murdoch, Brian Ripley

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