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The above code is just an example of printing on the same line, hit Ctrl + C to stop
When using echo -ne "something\r", echo will:
- print "something"
- dont print a new line (-n)
- interpret \r as carriage return, going back to the start of the line (-e)
Remember to print some white spaces after the output if your command will print lines of different sizes, mainly if one line will be smaller than the previous
Edit from reading comments: You can achieve the same effect using printf (more standardized than echo): while true; do printf "%-80s\r" "$(date)"; sleep 1; done
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