DataFlex

CSV Get Column Names

Demonstrates how to get the names of columns in a CSV. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Boolean iBCrlf
    Handle hoSb
    Handle hoCsv
    Integer iNumCols
    Integer i
    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

    Set ComHasColumnNames Of hoCsv To True
    Get ComGetAsString Of hoSb To sTemp1
    Get ComLoadFromString Of hoCsv sTemp1 To iSuccess

    // Get each column name..
    Get ComNumColumns Of hoCsv To iNumCols
    Move 0 To i
    While (i < iNumCols)
        Get ComGetColumnName Of hoCsv i To sTemp1
        Showln sTemp1
        Move (i + 1) To i
    Loop

    // Output should be:

    // permalink
    // company
    // numEmps
    // category
    // city
    // state
    // fundedDate
    // raisedAmt
    // raisedCurrency
    // round


End_Procedure