Run the commands 'Rscript' and 'R CMD'
Call a function in a new R session via 'Rscript()'
Obtain an attribute of an object without partial matching
Encode/decode data into/from base64 encoding.
Generate the Data URI for a file
Get base R package names
Start a background process
Find out broken packages and reinstall them
Bump version numbers
Cache the value of an R expression to an RDS file
Submit check jobs to crandalf
Delete an empty directory
Create a directory recursively by default
Test the existence of files and directories
Perform a task once in an R session
Try various methods to download a file
Embed a file, multiple files, or directory on an HTML page
Find file paths that exist
Call 'on.exit()' in a parent function
Manipulate filename extensions
Read a text file and concatenate the lines by "\n"
Format numbers of bytes using a specified unit
Get the relative path of a path in a project relative to the current working directory
Get the tags of Github releases of a repository
Perform replacement with 'gsub()' on elements matched from 'grep()'
Search and replace strings in files
Evaluate an expression under a specified working directory
Install a source package from a directory
An alias of 'remotes::install_github()'
Test if an object is identical to 'FALSE'
Some utility functions for checking packages
Test if paths are relative or absolute
Check if a character vector consists of entirely ASCII characters
Test if a character vector consists of blank strings
Test if a path is a subpath of a dir
Test if a path is a web path
Find a file or directory under a root directory
Mark some paths as directories
Generate a message with 'cat()'
Try to use the system native encoding to represent a character vector
Convert package news to the Markdown format
Normalize paths
Convert numbers to English words
Run OptiPNG on all PNG files under a directory
Test for types of operating systems
Parse R code and do not keep the source
Attach or load packages, and automatically install missing packages if requested
Kill a process and (optionally) all its child processes
Read a text file, process the text with a function, and write the text back
Return the (possible) root directory of a project
Find the indices of lines in Markdown that are prose (not code blocks)
Protect math expressions in pairs of backticks in Markdown
Print a character vector in its raw form
Read all text files and concatenate their content
Read all records of a binary file as a raw vector by default
Read / write files encoded in UTF-8
Get the relative path of a path relative to a directory
Rename files with a sequential numeric prefix
Get data from a REST API
Retry calling a function for a number of times
Run 'R CMD check' on the reverse dependencies of a package
Type a character vector into the RStudio source editor
Test if two paths are the same after they are normalized
An alternative to sessionInfo() to print session information
Set environment variables
Shrink images to a maximum width
Split a character vector by line breaks
Split source lines into complete expressions
Strict lists
Set the global option 'options(stringsAsFactors = FALSE)' inside a parent function and restore the option after the parent function exits
Submit a source package to CRAN
Run 'system2()' and mark its character output as UTF-8 if appropriate
Use the Tinify API to compress PNG and JPEG images
A simple JSON serializer
Turn the output of 'str()' into a tree diagram
Try an expression and see if it throws an error
Try to evaluate an expression silently
Upload to an FTP server via 'curl'
Test if a URL is accessible
Extract filenames from a URLs
Check if the syntax of the code is valid