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two answer options for get_file_extention question #189

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two answer options for get_file_extention question #189

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18 changes: 18 additions & 0 deletions challenges/getFileExtension/solutions/get_file_extension.rb
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# Option 1
# def get_file_extention(file_name: raise)
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@mmoy mmoy Jul 23, 2018

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Thanks for your contribution! 🎉 Just a nitpick: extension is mistyped as extention here and below.

# extensions_ary = file_name.split(".")
# extensions_ary.size == 1 ? (return false) : (return extensions_ary.last)
# end

# Option 2 - Library function
def get_file_extention(file_name: raise)
ext = File.extname(file_name).gsub(".","")
ext.empty? ? false : ext
end

# Test cases
file_names = ["data.txt", "index.html.erb", ".aws.txt", "foo"]

file_names.each {|name|
puts "file name for #{name} is #{get_file_extention(file_name: name)}"
}