first try adding r to atom-beautify

README.md

@@ -89,6 +89,7 @@ See [all supported options in the documentation at  `docs/options.md`](https://g
 | Python | `Python` |`.py` | [`autopep8`](https://github.com/hhatto/autopep8) (Default), [`yapf`](https://github.com/google/yapf) |
 | Riot.js | `Riot.js`, `HTML (Riot Tag)` |`.tag` | [`Pretty Diff`](https://github.com/prettydiff/prettydiff) (Default) |
 | Ruby | `Ruby`, `Ruby on Rails` |`.rb` | [`Rubocop`](https://github.com/bbatsov/rubocop) (Default), [`Ruby Beautify`](https://github.com/erniebrodeur/ruby-beautify) |
+| R | `R` |`.r` | [`R`](https://cran.r-project.org/) (Default) |
 | Rust | `Rust` |`.rs`, `.rlib` | [`rustfmt`](https://github.com/nrc/rustfmt) (Default) |
 | Sass | `Sass` |`.sass` | [`CSScomb`](https://github.com/csscomb/csscomb.js), [`Pretty Diff`](https://github.com/prettydiff/prettydiff) (Default) |
 | SCSS | `SCSS` |`.scss` | [`CSScomb`](https://github.com/csscomb/csscomb.js), [`Pretty Diff`](https://github.com/prettydiff/prettydiff) (Default) |

examples/nested-jsbeautifyrc/r/original/test.r

@@ -0,0 +1,16 @@
+# a single line of comments is preserved
+1+1
+
+if(TRUE){
+x=1  # inline comments
+}else{
+x=2;print('Oh no... ask the right bracket to go away!')}
+1*3 # one space before this comment will become two!
+2+2+2    # 'short comments'
+
+# only 'single quotes' are allowed in comments
+df=data.frame(y=rnorm(100),x1=rnorm(100),x2=rnorm(100))
+lm(y~x1+x2, data=df)
+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1  ## comments after a long line
+
+## here is a long long long long long long long long long long long long long long long long long long long long comment

package.json

@@ -94,6 +94,10 @@
     {
       "name": "Arman Yessenamanov",
       "url": "https://github.com/yesenarman"
+    },
+    {
+      "name": "Sebastian DiLorenzo",
+      "url": "https://github.com/Sebastian-D"
     }
   ],
   "engines": {
@@ -270,4 +274,4 @@
     "lint": "coffeelint src/ spec/",
     "code-docs": "codo && open docs/code/index.html"
   }
-}
+}

src/beautifiers/index.coffee

@@ -69,6 +69,7 @@ module.exports = class Beautifiers extends EventEmitter
     'yapf'
     'erl_tidy'
     'marko-beautifier'
+    'r-beautifier'
   ]
 
   ###

src/beautifiers/r-beautifier/index.coffee

@@ -0,0 +1,24 @@
+###
+Requires [formatR](https://github.com/yihui/formatR)
+###
+path = require("path")
+
+"use strict"
+Beautifier = require('../beautifier')
+
+module.exports = class R extends Beautifier
+  name: "R beautifier"
+  link: "https://github.com/Glavin001/atom-beautify/blob/master/src/beautifiers/r-beautifier/r-beautifier.r"
+
+  options: {
+    R: true
+  }
+
+  beautify: (text, language, options) ->
+    r_beautifier = path.resolve(__dirname, "r-beautifier.r")
+    @run("Rscript", [
+      r_beautifier,
+      @tempFile("input", text),
+      '>',
+      @tempFile("input", text)
+      ])

src/beautifiers/r-beautifier/r-beautifier.r

@@ -0,0 +1,3 @@
+library(formatR)
+file <- commandArgs(trailingOnly = TRUE)[1]
+tidy_source(text = readLines(file))

src/languages/index.coffee

@@ -51,6 +51,7 @@ module.exports = class Languages
     "php"
     "puppet"
     "python"
+    "r"
     "riotjs"
     "ruby"
     "rust"

src/languages/r.coffee

@@ -0,0 +1,23 @@
+module.exports = {
+
+  name: "R"
+  namespace: "r"
+
+  ###
+  Supported Grammars
+  ###
+  grammars: [
+    "R"
+]
+
+  ###
+  Supported extensions
+  ###
+  extensions: [
+    "r"
+    "R"
+  ]
+
+  options: []
+  
+}