Created
April 10, 2023 19:07
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Array of hashes to CSV
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| require 'csv' | |
| def hash_array_to_csv(hash_arr, fname='csv.csv') | |
| headers = hash_arr.map{|hsh| hsh.keys}.flatten.uniq | |
| csv = CSV.generate do |csv| | |
| csv << headers | |
| hash_arr.each do |hsh| | |
| csv << (headers.map{|k| hsh[k]}) | |
| end | |
| end | |
| File.write(fname, csv) if fname | |
| return csv | |
| end |
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