Node.js

CSV Append a Column with Values

See more CSV Examples

Append an additional column and initialize with a value. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  First initialize the CSV with content.  

    //  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

    var bCrlf = true;
    var sb = new chilkat.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);

    var csv = new chilkat.Csv();

    csv.HasColumnNames = true;
    success = csv.LoadFromString(sb.GetAsString());

    //  Show the initial CSV:
    console.log(csv.SaveToString());
    console.log("----");

    //  Now let's add a new rightmost column.
    var numColumns = csv.NumColumns;
    var numRows = csv.NumRows;

    //  Set the column name.
    var columnIdx = numColumns;
    csv.SetColumnName(columnIdx,"new_column");

    //  Add the column to each row.
    var i = 0;
    while (i < numRows) {
        csv.SetCell(i,columnIdx,"newData");
        i = i+1;
    }

    //  Show the updated CSV:
    console.log(csv.SaveToString());

}

chilkatExample();