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Lianja

Update CSV File

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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.

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Lianja
llSuccess = .F.

// 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

loCsv = createobject("CkCsv")

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

// Load the CSV records from the file:

llSuccess = loCsv.LoadFile("sample.csv")
if (llSuccess <> .T.) then
    ? loCsv.LastErrorText
    release loCsv
    return
endif

// Change "cheese" to "baguette"
// ("cheese" is at row=0, column=3
llSuccess = loCsv.SetCell(0,3,"baguette")

// Change "blue" to "magenta"
llSuccess = loCsv.SetCell(1,1,"magenta")

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

lcCsvDoc = loCsv.SaveToString()
? lcCsvDoc

// Save the CSV to a file:
llSuccess = loCsv.SaveFile("out.csv")
if (llSuccess <> .T.) then
    ? loCsv.LastErrorText
endif



release loCsv