DataFlex

CSV Delete Column by Name

Demonstrates the DeleteColumnByName method. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Boolean iBCrlf
    Handle hoSb
    Handle hoCsv
    String sTemp1

    Move False To iSuccess

    // 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

    Move True To iBCrlf
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSb
    If (Not(IsComObjectCreated(hoSb))) Begin
        Send CreateComObject of hoSb
    End
    Get ComAppendLine Of hoSb "permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round" iBCrlf To iSuccess
    Get ComAppendLine Of hoSb "lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b" iBCrlf To iSuccess
    Get ComAppendLine Of hoSb "mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed" iBCrlf To iSuccess
    Get ComAppendLine Of hoSb "flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a" iBCrlf To iSuccess
    Get ComAppendLine Of hoSb "infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a" iBCrlf To iSuccess
    Get ComAppendLine Of hoSb "gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed" iBCrlf To iSuccess

    Get Create (RefClass(cComChilkatCsv)) To hoCsv
    If (Not(IsComObjectCreated(hoCsv))) Begin
        Send CreateComObject of hoCsv
    End

    // Indicate that the 1st line contains column names.
    Set ComHasColumnNames Of hoCsv To True
    Get ComGetAsString Of hoSb To sTemp1
    Get ComLoadFromString Of hoCsv sTemp1 To iSuccess

    // Delete the "city" column.
    Get ComDeleteColumnByName Of hoCsv "city" To iSuccess

    Get ComSaveToString Of hoCsv To sTemp1
    Showln sTemp1

    // 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


End_Procedure