alphanumeric - How to generate unique six digit alpha-numeric code in Ruby

Thursday, 17 May 2018

alphanumeric - How to generate unique six digit alpha-numeric code in Ruby

I need to generate a unique six digit alpha-numeric code. To save in my database as voucher no: for every transaction.

Answer

I used this

  require 'sha1'

  srand
  seed = "--#{rand(10000)}--#{Time.now}--"
  Digest::SHA1.hexdigest(seed)[0,6]

How to generate a random string in Ruby This link was useful

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