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Java

CSV Set Cell by Index or Name

Demonstrates how to update the value of a CSV cell, or add new cells.

Chilkat Java Downloads

Chilkat2 Java
import com.chilkatsoft.chilkat2.Csv;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        // We have the following CSV...

        // permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
        // lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
        // mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
        // flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
        // infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
        // gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed

        boolean bCrlf = true;
        StringBuilder sb = new StringBuilder();
        sb.appendLine("permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round", bCrlf);
        sb.appendLine("lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b", bCrlf);
        sb.appendLine("mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed", bCrlf);
        sb.appendLine("flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a", bCrlf);
        sb.appendLine("infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a", bCrlf);
        sb.appendLine("gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed", bCrlf);

        Csv csv = new Csv();

        csv.setHasColumnNames(true);
        csv.loadFromString(sb.getAsString());

        // Update the city "Gilbert" to "Tuscon".
        csv.setCell(3, 4, "Tuscon");

        // Add a new row.
        int row_idx = csv.getNumRows();
        csv.setCellByName(row_idx, "permalink", "yelp");
        csv.setCellByName(row_idx, "company", "Yelp");
        csv.setCellByName(row_idx, "numEmps", "");
        csv.setCellByName(row_idx, "category", "web");
        csv.setCellByName(row_idx, "city", "San Francisco");
        csv.setCellByName(row_idx, "state", "CA");
        csv.setCellByName(row_idx, "fundedDate", "1-Jul-04");
        csv.setCellByName(row_idx, "raisedAmt", "1000000");
        csv.setCellByName(row_idx, "raisedCurrency", "USD");
        csv.setCellByName(row_idx, "round", "a");

        // Show the updated CSV:
        System.out.println(csv.saveToString());

        // Output should be:
        // permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
        // lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
        // mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
        // flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
        // infusionsoft,Infusionsoft,105,software,Tuscon,AZ,1-Oct-07,9000000,USD,a
        // gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed
        // yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a
    }
}