Sample code for 30+ languages & platforms
Unicode C++

CSV Delete Column by Name

Demonstrates the DeleteColumnByName method.

Chilkat Unicode C++ Downloads

Unicode C++
#include <CkStringBuilderW.h>
#include <CkCsvW.h>

void ChilkatSample(void)
    {
    bool success = false;

    // 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

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

    CkCsvW csv;

    // Indicate that the 1st line contains column names.
    csv.put_HasColumnNames(true);
    success = csv.LoadFromString(sb.getAsString());

    // Delete the "city" column.
    success = csv.DeleteColumnByName(L"city");

    wprintf(L"%s\n",csv.saveToString());

    // Output is:

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