Merging two Arrays together

Question

I have these two arrays

Hotel = 'hilton', 'marriot'
Price = '$350', '$375'

How would I go about merging the two arrays together and making the price a key to the hotel.

So when I access

Price[0]

It outputs

'$350' => 'hilton' (or however the correct output should be)

Arup Rakshit · Accepted Answer · 2014-02-28 17:29:28Z

3

Do as below using Array#zip and Hash::[] :

Hotel = 'hilton', 'marriot'
Price = '$350', '$375'
Hash[Price.zip(Hotel)]
# => {"$350"=>"hilton", "$375"=>"marriot"}

But to meet your posted description :

Hotel = 'hilton', 'marriot'
Price = '$350', '$375'
array_of_hash = Price.each_index.map { |i| { Price[i] => Hotel[i]} }
# => [{"$350"=>"hilton"}, {"$375"=>"marriot"}]
array_of_hash[0] # => {"$350"=>"hilton"}

Now choose, whatever way suits to your need.

edited Feb 28, 2014 at 17:29

answered Feb 28, 2014 at 17:12

Arup Rakshit

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3 Comments

Cary Swoveland Over a year ago

array_of_hash = Price.zip(Hotel).map {|a| Hash[*a] } gets rid of the unsightly index.

Arup Rakshit Over a year ago

@CarySwoveland That's nice too,

Cary Swoveland Over a year ago

Since I only code for fun, I can afford to always choose aesthetics. In my never-ending quest to rid the world of indices, here's another (that creates two arrays and adds two statements): hotel = Hotel.dup; price = Price.dup; Price.size.times.map { { price.shift => hotel.shift } } .

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