Copy a Field
Updated: Aug 28, 2026
package com.northconcepts.datapipeline.examples.cookbook;
import java.io.File;
import com.northconcepts.datapipeline.core.DataReader;
import com.northconcepts.datapipeline.core.StreamWriter;
import com.northconcepts.datapipeline.csv.CSVReader;
import com.northconcepts.datapipeline.job.Job;
import com.northconcepts.datapipeline.transform.CopyField;
import com.northconcepts.datapipeline.transform.TransformingReader;
public class CopyAField {
public static void main(String[] args) throws Throwable {
DataReader reader = new CSVReader(new File("example/data/input/credit-balance-01.csv"))
.setFieldNamesInFirstRow(true);
reader = new TransformingReader(reader)
.add(new CopyField("Rating", "Score", false)); // copy 'Rating' to 'Score'; do not overwrite
Job.run(reader, new StreamWriter(System.out));
}
}
