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keywords: utilities
title: Replace Variables in Expressions
description: Replaces the variables in expressions by something else and returns the expression.

keywords: utilities
title: Extract pdf vignettes from local package repository
description: These functions extract pdf or HTML files from the inst/doc subdirectory of R source packages archives (.tar.gz) found in a local package repository. All pdf files found in inst/doc will be extracted. With extractHTMLDocuments, all HTML files except index.html will be extracted. Only source package archives will be processed. The extracted pdf or HTML files will be extracted under destDir and will be found in PKGNAME/inst/doc/. Prior to extraction, all pdf files in destDir/PKGNAME/inst/doc will be removed.

keywords: utilities
title: Write HTML files for packages in a CRAN-style repository
description: This function creates package "homepages" that describe the package and provide links to download package artifacts in the repository.

keywords: utilities
title: Write package descriptions and a repository index as HTML
description: This function generates an HTML file for each package in a repository and generates an index.html file that provides an alphabetized listing of the packages.

keywords: utilities
title: Write R files from vignettes
description: Ensures that .R files from vignette code chunks are written out.

keywords: utilities
title: Generate CRAN-style repository control files
description: This function generates control files for CRAN-style repositories. For each path specified in contribPaths a PACKAGES file is written. In addition, two top-level control files are created: REPOSITORY contains information about the specified contrib paths. VIEWS contains metadata for all packages in the repository including the paths to any extracted vignettes, if found. This file is useful for generating HTML views of the repository.

keywords: utilities
title: Write the view for the root of a vocabulary to disk
description: Given a directory and a vocabulary represented as a graphNEL containing a DAG of terms, write the top-level term to disk as HTML. This assumes your vocabulary has a single term with no parents.