How to remove empty element in an array

[Gavin_Kistner]

I have an array of [1,2,''] I want change it to [1,2].

irb(main):001:0> a = [1,2,'']
=> [1, 2, ""]
irb(main):002:0> a.delete( '' )
=> ""
irb(main):003:0> a
=> [1, 2]

···

From: Li Chen