Evaluate an expression under a specified working directory
Run OptiPNG on all PNG files under a directory
Convert numbers to English words
Search and replace strings in files
Run the commands Rscript and R CMD
Obtain an attribute of an object without partial matching
Upload to an FTP server via curl
Print a character vector in its raw form
Protect math expressions in pairs of backticks in Markdown
Try to evaluate an expression silently
Install a source package from a directory
Normalize paths
Try to use the system native encoding to represent a character vector
Manipulate filename extensions
Split a character vector by line breaks
Strict lists
Test for types of operating systems
Read a text file and concatenate the lines by '\n'
Run R CMD check on the reverse dependencies of a package
Parse R code and do not keep the source
Test if two paths are the same after they are normalized
Test if an object is identical to FALSE
An alias of remotes::install_github()
Check if a character vector consists of entirely ASCII characters
Read / write files encoded in UTF-8
Set the global option options (stringsAsFactors = FALSE) A simple JSON serializer
Type a character vector into the RStudio source editor
Rename files with a sequential numeric prefix
An alternative to sessionInfo() to print session information
Embed a file, multiple files, or directory on an HTML page
Try various methods to download a file
Attach or load packages, and automatically install missing packages if
requested
Find the indices of lines in Markdown that are prose (not code blocks)