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In the original version, the cursor positioning didn't work on my Mac OS X system. If that happens to you, try this simplified variant: #!/bin/bash
while true
do
tput sc
tput cup 0 60
echo -en `date +"%H:%M:%S %F"`
tput rc
sleep 1
done
Also, note that you'll need to run either script in the background to use your terminal.
The script saves the current cursor position with an ANSI escape sequence instruction. Then, using the tput command, the cursor is sent to row 0 (the top of the screen) and the last column minus 19 characters (19 is the length of HH:MM:SS YYYY-MM-DD). The formatted date command is displayed in green inverted color. The cursor is then sent back to its original position with another ANSI sequence that restores the original saved position.
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