CODEWITHSUNDEEP
ruby
Dev89
Dev89

Reputation: 35

How can I compare elements from two different arrays? Ruby

I am trying to make a ruby def that looks like this:

def title_case(title, minor_words)

end

It's supposed to title case the string variable "title", any word in the minor_words variable is to be downcased and any word not it the minor_words variable is to be capitalized.

Example:

title_case("The King is a Good man", "a and the an at")

-> "the King Is a Good Man"

And the code I am attempting to write looks like this:

         def title_case(title, minor_words)
         title = title.downcase.split
         minor_words = minor_words.downcase.split
         title.map {|word| if word == (any word from minor_words)
        word.downcase 
        else 
         word.capitalize
         end}.join(" ")
         end

If minor_words is empty it returns title with all letters capitalized. Like so:

-> "The King Is A Good Man"

If title is empty, or both are empty it returns an empty string:

-> ""

Hope I made things clear! Thanks!

Upvotes: 0

Views: 88

Answers (1)

builder-7000
builder-7000

Reputation: 7627

You could use a ternary statement:

ary1.map { |e| ary2.include?(e.downcase) ? e.downcase : e }
# => ["the", "man", "is", "not", "nice"]

To mutate the array in place use Array#map! instead of Array#map.

Upvotes: 2

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