B4X

CSV Column Names

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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.

B4X

Dim success As Boolean = False

'  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

Dim csv As ChilkatCsv
csv.Initialize

'  Prior to loading the CSV file, indicate that the 1st row
'  should be treated as column names:
csv.HasColumnNames = True

'  Load the CSV records from the file:

success = csv.LoadFile("sample.csv")
If success <> True Then
    Log(csv.LastErrorText)
    Return
End If


'  Display the column names:
Dim i As Int
Dim colName As String
Dim idx As Int
For i = 0 To csv.NumColumns - 1
    colName = csv.GetColumnName(i)
    Log(i & ": " & colName)

    '  The following line demonstrates to to get the column
    '  index given a column name:
    idx = csv.GetIndex(colName)
    Log(colName & " is at column index " & idx)
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