Fastest way to find a String into an array of string

Question

The script has to verify if one predefined IP is present in a big array of IPs. Currently I code that function like this (saying that \"ips\" is my array of IP and \"ip\" is the

Answer 1

You could use the Array#include method to return you a true/false.

http://ruby-doc.org/core-1.9.3/Array.html#method-i-include-3F

if ips.include?(ip) #=> true
  puts 'ip exists'
else
  puts 'ip  doesn\'t exist'
end