"One-liner" to fix tab-delimited data, imported from PostgreSQL into SQLite

fix_postgresql_to_sqlite.rb

Dir['app/models/*.rb'].each do |m|
  m = File.basename(m).split('.').first
  m = m.camelcase.constantize
  next unless m.respond_to?(:all)
  m.all.each do |i|
      m.columns.each do |c|
      if [:string, :text].include?(c.type)
        v = i.send(c.name)
        i.send("#{c.name}=", v.gsub(/\\r\\n/, "\n")) if v && v.kind_of?(String)
      end
    end
    i.save! if i.changed?
  end
end