Our files are in CSV format but each line can be of a different record type. For example: f1,f2,f3 g1,g2,g3,g4,g5 h1,h2,h3,h4 Record type can be determined by examining the value of the first field. How do I write a CSV filter for this?

CSV file with different record types

Apache, Apache Lucene, Apache Hadoop, Hadoop, HDFS and the yellow elephant logo are trademarks of the Apache Software Foundation in the United States and/or other countries.

CSV file with different record types