Question

How to remove empty elements from array in Ruby

Answer 1

arr = ["ruby", "java", "python", "", "swift"]

print arr, "\n"

arr = arr.reject { |element| element.empty? }

print arr



# run:
#
# ["ruby", "java", "python", "", "swift"]
# ["ruby", "java", "python", "swift"]
#

 

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Answer 2

arr = ["ruby", "java", "python", "", "swift"]

print arr, "\n"

arr = arr.delete_if{|element| element.length == 0}

print arr



# run:
#
# ["ruby", "java", "python", "", "swift"]
# ["ruby", "java", "python", "swift"]
#

 

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