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  • Reading a line in an external file
fReadLine (Example)
Reading a line in an external file
WINDEVWEBDEV - Server codeReports and QueriesJavaUser code (UMC)PHPAjax The following code is used to display the content of a text file in an edit control (EDT_EditFile). Each read operation corresponds to a line of the text file.
// Declare the variables
FileNameAndPath is string
FileID is int
LineRead is string

// Select the file name and path
FileNameAndPath ="C:\MyDirectories\File.txt"
// Open file
FileID = fOpen(FileNameAndPath)
// Display an error message if no file was opened
IF FileID = -1 THEN
	Error(ErrorInfo(errMessage))
ELSE
	LOOP
		// Read the first line of the file
		LineRead = fReadLine(FileID)
		IF ErrorOccurred THEN
			Error(ErrorInfo())
			BREAK
		END
		// End of file?
		IF LineRead = EOT THEN BREAK
		// Process the line currently read
		// Here, add an edit control at the end
		EDT_FileContent += [CR] + LineRead
	END
	// Close the file
	fClose(FileID)
	ToastDisplay("File reading completed")
END
Minimum version required
  • Version 9
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Last update: 03/25/2025

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