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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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install.packages('xfun')

Monthly Downloads

974,255

Version

0.4

License

MIT + file LICENSE

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Repository

https://github.com/yihui/xfun

Maintainer

Yihui Xie

Last Published

October 23rd, 2018

Functions in xfun (0.4)

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

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

numbers_to_words

Convert numbers to English words

Normalize paths

Type a character vector into the RStudio source editor

Run R CMD check on the reverse dependencies of a package

Test if two paths are the same after they are normalized

Protect math expressions in pairs of backticks in Markdown

An alternative to sessionInfo() to print session information

Print a character vector in its raw form

Parse R code and do not keep the source

Check if a character vector consists of entirely ASCII characters

Try to evaluate an expression silently

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

Run OptiPNG on all PNG files under a directory

Test for types of operating systems

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

A simple JSON serializer

Read / write files encoded in UTF-8

Manipulate filename extensions

Evaluate an expression under a specified working directory

Search and replace strings in files

Try various methods to download a file

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

Install a source package from a directory

Test if an object is identical to FALSE

Run the commands Rscript and R CMD

Obtain an attribute of an object without partial matching