How can I update the current line in a C# Windows Console App?

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If you print only "\r" to the console the cursor goes back to the beginning of the current line and then you can rewrite it. This should do the trick:

for(int i = 0; i < 100; ++i)
{
    Console.Write("\r{0}%   ", i);
}

Notice the few spaces after the number to make sure that whatever was there before is erased.
Also notice the use of Write() instead of WriteLine() since you don’t want to add an “\n” at the end of the line.

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