file read & write help....

I want to simple program to read & write a simple text file.
Is there any example on file reading and writing a simple textfile.

I don't where to start.
Pls help

something like that should work:

Code:

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QFile input(filename);
if (!input.open(QIODevice::ReadOnly)) handle_error_somehow();
QTextStream in(&input);
// now read from in

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HTH