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