In Ruby, how do I skip a loop in a .each loop, similar to 'continue'

ruby loops syntax iteration
Blankman picture Blankman · Nov 20, 2010 · Viewed 179.9k times · Source

In Ruby, how do I skip a loop in a .each loop, similar to continue in other languages?

Answer

Jakub Hampl picture Jakub Hampl · Nov 20, 2010

Use next: 

(1..10).each do |a|
  next if a.even?
  puts a
end

prints:

1
3   
5
7
9

For additional coolness check out also redo and retry.

Works also for friends like times, upto, downto, each_with_index, select, map and other iterators (and more generally blocks).

For more info see http://ruby-doc.org/docs/ProgrammingRuby/html/tut_expressions.html#UL.

Related questions

What is the "right" way to iterate through an array in Ruby?

PHP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do foreach (array/…

Read More
Is there a "do ... while" loop in Ruby?

I'm using this code to let the user enter in names while the program stores them in an array until they enter an empty string (they must press enter after each name): people = [] info = 'a' # must fill variable with something, …

Read More
"for" vs "each" in Ruby

I just had a quick question regarding loops in Ruby. Is there a difference between these two ways of iterating through a collection? # way 1 @collection.each do |item| # do whatever end # way 2 for item in @collection # do whatever end Just …

Read More