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xfun

This package contains several utility functions that I frequently use in other packages, and also miscellaneous functions that I use by myself from time to time. For more information, see https://yihui.name/xfun/.

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Version

Install

install.packages('xfun')

Monthly Downloads

1,445,926

Version

0.7

License

MIT + file LICENSE

Issues

4

Pull Requests

1

Stars

147

Forks

29

Maintainer

Yihui Xie

Last Published

May 14th, 2019

Functions in xfun (0.7)

file_string

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

Try to use the system native encoding to represent a character vector
parse_only

Parse R code and do not keep the source
is_windows

Test for types of operating systems
strict_list

Strict lists
is_ascii

Check if a character vector consists of entirely ASCII characters
protect_math

Protect math expressions in pairs of backticks in Markdown
session_info

An alternative to sessionInfo() to print session information
isFALSE

Test if an object is identical to FALSE
raw_string

Print a character vector in its raw form
try_silent

Try to evaluate an expression silently
upload_ftp

Upload to an FTP server via curl
rstudio_type

Type a character vector into the RStudio source editor
pkg_attach

Attach or load packages, and automatically install missing packages if requested
prose_index

Find the indices of lines in Markdown that are prose (not code blocks)
normalize_path

Normalize paths
read_utf8

Read / write files encoded in UTF-8
rev_check

Run R CMD check on the reverse dependencies of a package
tojson

A simple JSON serializer
stringsAsStrings

Set the global option options(stringsAsFactors = FALSE) inside a parent function and restore the option after the parent function exits
numbers_to_words

Convert numbers to English words
same_path

Test if two paths are the same after they are normalized
optipng

Run OptiPNG on all PNG files under a directory
file_ext

Manipulate filename extensions
download_file

Try various methods to download a file
Rscript

Run the commands Rscript and R CMD
attr

Obtain an attribute of an object without partial matching
embed_file

Embed a file, multiple files, or directory on an HTML page
install_dir

Install a source package from a directory
gsub_file

Search and replace strings in files
install_github

An alias of remotes::install_github()
in_dir

Evaluate an expression under a specified working directory