RTL

This gem helps you in checking whether a language is written from right-to-left (RTL) or vise versa.

Installation

Add this line to your application's Gemfile:

gem 'rtl'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rtl

Usage

require 'rtl'

# Query a language by string or symbol.
Rtl.rtl? 'ar'                      #=> true
Rtl.rtl? :ara                      #=> true


# By ISO 639 code, (The default) ..
Rtl.rtl? :syc, :iso_code           #=> true
Rtl.rtl? :eng                      #=> false


# By ISO 15924 code .. 
Rtl.rtl? 'Hung', :iso_long_code    #=> true


# By ISO number ..
Rtl.rtl? 130, :iso_number          #=> true


# By unicode alias ..
Rtl.rtl? 'Hebrew', :unicode_alias  #=> true


# By full name ..
Rtl.rtl? :Persian, :full_name      #=> true


# Get List of all languages by any of the above criteria
Rtl.rtl_languages
#=> ["ar", "ara", "arc", "ae", "ave", "egy", "he", "heb", "nqo", "pal", "phn", "sam", "syc", "syr", "fa", "per", "fas", "ku", "kur"]

Rtl.rtl_languages :iso_long_code
#=> ...

Useful Links

• ISO 639-2 Language Code List - Codes for the representation of names of languages (Library of Congress).
• List of ISO 639-1 codes on Wikipedia.
• Right-to-left on Wikipedia.
• ISO 15924 on Wikipedia.
• Questions & Answers: Which languages are written right-to-left (RTL)?

Contributing

Bug reports and pull requests are very much appreciated at Github.

License

The gem is available as open source under the terms of the MIT License.