CSV Column Names

Demonstrates how to access CSV column names.

The Chilkat CSV library/component/class is freeware. The downloads for .NET, C++, Perl, Java, Ruby, and Python contain all of the Chilkat classes, some of which are freeware and some of which require licensing.

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

#include <C_CkCsv.h>

void ChilkatSample(void)
    {
    HCkCsv csv;
    BOOL success;
    long i;
    const char * colName;
    long idx;

    //  This example program loads a file (sample.csv)
    //  that contains this content:
    // 
    //  year,color,country,food
    //  2001,red,France,cheese
    //  2005,blue,"United States",hamburger
    //  2008,green,Italy,pasta
    //  1998,orange,Japan,sushi
    // 
    //  The first row contains the column names.
    //  This file is available at:
    //  http://www.chilkatsoft.com/testData/sample.csv

    csv = CkCsv_Create();

    //  Prior to loading the CSV file, indicate that the 1st row
    //  should be treated as column names:
    CkCsv_putHasColumnNames(csv,TRUE);

    //  Load the CSV records from the file:

    success = CkCsv_LoadFile(csv,"sample.csv");
    if (success != TRUE) {
        printf("%s\n",CkCsv_lastErrorText(csv));
        return;
    }

    //  Display the column names:

    for (i = 0; i <= CkCsv_getNumColumns(csv) - 1; i++) {
        colName = CkCsv_getColumnName(csv,i);
        printf("%d: %s\n",i,colName);

        //  The following line demonstrates to to get the column
        //  index given a column name:
        idx = CkCsv_GetIndex(csv,colName);
        printf("%s is at column index %d\n",colName
            ,idx);
    }


    CkCsv_Dispose(csv);

    }