(Go) CSV Append a Column with Values

See more CSV Examples

Append an additional column and initialize with a value.

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // 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 success bool
    bCrlf := true
    sb := chilkat.NewStringBuilder()
    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 := chilkat.NewCsv()

    csv.SetHasColumnNames(true)
    success = csv.LoadFromString(*sb.GetAsString())

    // Show the initial CSV:
    fmt.Println(*csv.SaveToString())
    fmt.Println("----")

    // Now let's add a new rightmost column.
    numColumns := csv.NumColumns()
    numRows := csv.NumRows()

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

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

    // Show the updated CSV:
    fmt.Println(*csv.SaveToString())

    sb.DisposeStringBuilder()
    csv.DisposeCsv()