openTextReader()

Function that opens a file as a text file for reading purposes. The function returns a TextReader object. Please note that the temporary file must be closed at the end.

openTextReader(filename,encoding)

filename

String that represents the name of the file to open.

encoding

String that specifies the encoding of the file to read (UTF-8, ISO-8859-1, etc.).

Example

In the following example, the openTextReader() function is used to open the actual data sample file in the DataMapper for reading.

var fileIn = openTextReader(data.filename);
var tmp = createTmpFile();
var fileOut = openTextWriter(tmp.getPath());
var line;

while((line = fileIn.readLine())!=null){    
    fileOut.write(line.replace((subject),""));    
    fileOut.newLine();
}

fileIn.close();
fileOut.close();
deleteFile(data.filename);
tmp.move(data.filename);