Rails join a list of strings with commas and "and" before the last

Question

Is there a standard rails helper that converts an array of strings like ["apple", "banana", "pear"] into "apple, banana, and pear" for inserting into a sentence?

Webjedi · Accepted Answer · 2011-11-28 18:08:20Z

102

Yeah to_sentence ought to work nicely.

http://apidock.com/rails/Array/to_sentence

answered Nov 28, 2011 at 18:08

Webjedi

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Matthew Clark Over a year ago

Just when I thought I couldn't be more impressed with Rails, I run into this beauty...

yegor256 · Accepted Answer · 2025-05-02 10:03:03Z

0

If you don't use Rails, try this gem of mine:

require 'joined'
puts ["apple", "banana", "pear"].joined

You will get:

apple, banana, and pear

You can also get rid of the Oxford comma:

puts ["apple", "banana", "pear"].joined(oxford: false)
"apple, banana and pear"

answered May 2 at 10:03

yegor256

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