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.
Find out broken packages and reinstall them
Cache the value of an R expression to an RDS file
Evaluate an expression after forcing the decimal point to be a dot
Create a directory recursively by default
Test the existence of files and directories
Divide chunk options from the code chunk body
Download a file from a URL and cache it on disk
Embed a file, multiple files, or directory on an HTML page
Retrieve a global option from both 'options()' and environment variables
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()'
Evaluate an expression under a specified working directory
Install a source package from a directory
Some utility functions for checking packages
Check if a character vector consists of entirely ASCII characters
Test if a character vector consists of blank strings
Find a file or directory under a root directory
Try to use the system native encoding to represent a character vector
Convert package news to the Markdown format
Run OptiPNG on all PNG files under a directory
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
Get the relative path of a path relative to a directory
Rename files with a sequential numeric prefix
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
Split source lines into complete expressions
Run 'system2()' and mark its character output as UTF-8 if appropriate
Use the Tinify API to compress PNG and JPEG images
Turn the output of 'str()' into a tree diagram
Try an expression and see if it throws an error
Check if the syntax of the code is valid
Partition the YAML metadata and the body in a document