Java
Chilkat2 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
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
}
}