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  1. require "csv"
  2. require "stringio"
  3.  
  4. contents = CSV.new(ARGF, headers: true).read
  5.  
  6. contents.each do |row|
  7.   next unless row["DetailActiveAddressLine1"] =~ /PO Box|^[[:digit:]]/i
  8.  
  9.   row["DetailActiveAddressLine1"], row["DetailActiveAddressLine2"] =
  10.     row["DetailActiveAddressLine2"], row["DetailActiveAddressLine1"]
  11. end
  12.  
  13. sio = StringIO.new
  14. sio.write(contents.to_csv(force_quotes: true))
  15.  
  16. sio.rewind
  17. puts sio.read
Success #stdin #stdout 0.02s 10832KB
comments (?)
stdin 
"DetailActiveAddressLine1","DetailActiveAddressLine2"
"Unit 203","3235 Oakley Station Blvd"
"585 S Hickory St",
stdout 
"DetailActiveAddressLine1","DetailActiveAddressLine2"
"Unit 203","3235 Oakley Station Blvd"
"","585 S Hickory St"
https://ideone.com/IkdCpb
language:
Ruby (ruby 2.5.5)
created:
9 years ago
visibility:
public

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