Xbase++

Update CSV File

See more CSV Examples

Demonstrates how to read a CSV, update some cells, and save.

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.

Xbase++

LOCAL nSuccess
LOCAL oCsv
LOCAL cCsvDoc

nSuccess := 0

//  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

oCsv := CreateObject("Chilkat.Csv")

//  Prior to loading the CSV file, indicate that the 1st row
//  should be treated as column names:
oCsv:HasColumnNames := 1

//  Load the CSV records from the file:

nSuccess := oCsv:LoadFile("sample.csv")
IF (nSuccess != 1)
    ? oCsv:LastErrorText
    oCsv:destroy()
    RETURN
ENDIF

//  Change "cheese" to "baguette"
//  ("cheese" is at row=0, column=3
nSuccess := oCsv:SetCell(0, 3, "baguette")

//  Change "blue" to "magenta"
nSuccess := oCsv:SetCell(1, 1, "magenta")

//  Write the updated CSV to a string and display:

cCsvDoc := oCsv:SaveToString()
? cCsvDoc

//  Save the CSV to a file:
nSuccess := oCsv:SaveFile("out.csv")
IF (nSuccess != 1)
    ? oCsv:LastErrorText
ENDIF

oCsv:destroy()