icol = {}
for line in ARGF
  row = line.sub(/^"/, '').sub(/"\r?\n$/, '').split(/","/)
  if icol.empty?
    row.size.times {|i| icol[row[i]] = i}
  else
    c = row[icol['Indicator']]
    t = row[icol['Identifier']]
    next unless /^[A-Z]{4}[0-9]*$/ === t
    puts [t, c].join(",")
  end
end