Binary package “ruby-indentation” in ubuntu bionic

Ruby extensions for Array and String classes

 A small library of extensions to Ruby's Array and String classes that
 allow indentation manipulation of Strings and Arrays of Strings. Has
 the capability of working with multi-line strings. If you frequently
 use String arrays to manipulate text, see synopsis (In README.rdoc)
 for examples of how indentation can make your life easier.