Random strings

Aug 19
2008
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module Kernel
  def random_uc(size=16)
    Array.new(size){ rand(26)+65 }.pack('C*')
  end
  def random_lc(size=16)
    Array.new(size){ rand(26)+97 }.pack('C*')
  end
  def random_num(size=16)
    Array.new(size){ rand(10) }.join
  end
end
 
random_uc => "HRTWYJBJEZDKYPTJ"
random_lc => "onxkvkezqukspmcx"
random_num => "5862195932579950"
Written by Vidul in: Ruby, scripts | Tags:

Six happy numbers

Jan 07
2008
Comments Off 
numbers = Hash.new
loop{numbers[rand(50)]=true && numbers.keys.size==6 && break}
p numbers.keys.sort.join(%q/ /)

#or just

p (1..49).to_a.sort_by{rand}.[](1..6)
Written by Vidul in: Ruby, scripts | Tags:

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