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R Formatter

The R Formatter formats R source code. It is very much based on formatR, but tries to improve it by heuristics. For example, spaces can be forced around the division operator /.

The following features are added to formatR.

• Removing more trailing whitespace.
• Adding spaces around more operators of your choice.

Installation

In R, run

> install.packages("RFormatter")

Usage

Try

> RFormatter::format_R_source_code("if (b) { f() }")
> RFormatter::format_R_source_code("p = 2", list(arrow = TRUE))
> RFormatter::format_R_source_code("(k/n)^x", spaced_operators = c("/"))

Get more help with

> ?RFormatter::format_R_source_code

Command-Line Utility

To format a source file source.R via a command-line interface, do the following. Warning: the original file is overwritten, so better back it up first! Use this at your own risk. Run

$ Rscript [utility] source.R

where [utility] is the path given by

> system.file("exec", "utility.R", package = "RFormatter")

Related Projects

Have a look at Yihui Xie’s formatR.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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