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Portable File Locking
Place an exclusive or shared lock on a file. It uses 'LockFile' on Windows and 'fcntl' locks on Unix-like systems.
Download Logs from the 'RStudio' 'CRAN' Mirror
'API' to the database of 'CRAN' package downloads from the 'RStudio' 'CRAN mirror'. The database itself is at < http://cranlogs.r-pkg.org>, see < https://github.com/r-hub/cranlogs.app> for the raw 'API'.
Tidy Output from Regular Expression Matching
Wrappers on 'regexpr' and 'gregexpr' to return the match results in tidy data frames.
Cyclomatic Complexity of R Code
Cyclomatic complexity is a software metric (measurement), used to indicate the complexity of a program. It is a quantitative measure of the number of linearly independent paths through a program's source code. It was developed by Thomas J. McCabe, Sr. in 1976.
Multi-Format Archive and Compression Support
Bindings to 'libarchive' < http://www.libarchive.org> the Multi-format archive and compression library. Offers R connections and direct extraction for many archive formats including 'tar', 'ZIP', '7-zip', 'RAR', 'CAB' and compression formats including 'gzip', 'bzip2', 'compress', 'lzma' and 'xz'.
Search and Query CRAN R Packages
Search CRAN metadata about packages by keyword, popularity, recent activity, package name and more. Uses the 'R-hub' search server, see < https://r-pkg.org> and the CRAN metadata database, that contains information about CRAN packages. Note that this is _not_ a CRAN project.
Connect to 'R-hub'
Run 'R CMD check' on any of the 'R-hub' (< https://builder.r-hub.io/>) architectures, from the command line. The current architectures include 'Windows', 'macOS', 'Solaris' and various 'Linux' distributions.
Match Regular Expressions with a Nicer 'API'
A small wrapper on 'regexpr' to extract the matches and captured groups from the match of a regular expression to a character vector.
Show an Image on an 'R' Graphics Device
Sometimes it is handy to be able to view an image file on an 'R' graphics device. This package just does that. Currently it supports 'PNG' files.
Testing for Shiny Applications
Automated unit testing of Shiny applications through a headless 'Chromium' browser.