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wellspell.addin
wellspell is an RStudio Addin to quickly highlight spelling or
grammar errors in text documents. It employs the hunspell spell
checking engine via the hunspell package and the LanguageTool
grammar checking engine via the LanguageToolR package to do so.
Checking works for many languages.
Installation
Install the wellspell.addin R package from Github:
devtools::install_github("nevrome/wellspell.addin"). To enable
its features you need additional packages:
• Spellcheck
- Install the hunspell R package that contains a standalone
version of hunspell:install.packages("hunspell")
• Grammar check
-
Install the LanguageToolR R package
devtools::install_github("nevrome/LanguageToolR"). It
does not contain LanguageTool -
Install LanguageTool manually or with the function
LanguageToolR::lato_quick_setup() -
Restart RStudio
Quickstart guide
To use wellspell.addin, you can select an arbitrary amount of text
in a text document in RStudio (e.g. a markdown, latex or html
document) and run spellcheck() or gramcheck(). As the
functions are registered as RStudio Addins, it is possible to run
them from the Addins dialogue or even with a keyboard shortcut
(e.g. Ctrl+Alt+7 and Ctrl+Alt+8).
At the first run in a new environment, spellcheck() and
gramcheck() will call set_config(), which is another Addin
with a minimalistic user interface. It allows you to set
environment variables to control the behaviour of the checking
tools. If the environment variables are set, spellcheck() and
gramcheck() select and thereby highlight all words/expressions
identified as wrong.
The additional functions get_config(), is_config() and
rm_config are for dealing with the environment variables and
usually don`t have to be called directly.
How to install hunspell dictionaries for other languages?
A default RStudio installation includes English dictionaries for
the US, UK, Canada, and Australia. In addition, dictionaries for
many other languages can be installed. To add these dictionaries,
go to the Spelling pane of the Options dialog, and select
Install More Languages… from the language dictionary select
box. This will download and install all of the available
languages. Further instructions can be found here. If this does
not work or the relevant languages are not in the default
selection you can install languages by copying the dictionary
files (.dic + .aff) to one of these locations:
hunspell::dicpath().