How to print on the same line in shell

#!/bin/bash
for i in `seq 10 1`;do
    echo -en "\r\x1B[2K";
    echo -n "$i";
    sleep 2;
done;

\x1b[2K is what’s known as an ANSI terminal control sequence.

\x1b is the ASCII for ESCAPE (literally the ESC key on your keyboard). [2K is the command “erase the current line”.

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