xfun

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

Start a background process

Bump version numbers

Cache the value of an R expression to an RDS file

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

Call on.exit() in a parent function

Manipulate filename extensions

Read a text file and concatenate the lines by '\n'

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 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

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 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

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

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

A simple JSON serializer

Turn the output of str() into a tree diagram

Try to evaluate an expression silently

Upload to an FTP server via curl

Extract filenames from a URLs

Check if the syntax of the code is valid