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I think it's something like this: (Fedora14/bash)


for i in {0..10..1}; do echo -e "$i"'\c'
echo -e "\n\r"
sleep 1

But it doesn't work. Purpose: like this, but without the "clear":


for i in {0..10..1}; do echo -e "$i"
sleep 1

So a counting script that doesn't deletes the whole screen to output +1 number, instead it only deletes the line, where the counting is, so that there could be ex.: a beatifull "progress bar"..

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up vote 4 down vote accepted
for i in {0..15}; do echo -ne "$i"'\r'; sleep 1; done; echo 

You don't need ..1 for stepwidth 1 which is default.

echo -n 

prevents newlines.

\r is returning to begin of line (without newline - \n), and better than my formerly used '\b' for backstepping a single character, unhandy, if you have more than one digit-numbers. Thanks to rozcietrzewiacz.

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You can also just use one \r instead of all the \b's. – rozcietrzewiacz Aug 30 '11 at 15:06
Yes, thanks, I changed my post accordingly. – user unknown Aug 30 '11 at 21:17

Are you looking for something like this?

for i in {1..10}; do 
  printf '\r%2d' $i
  sleep 1
printf '\n'
share|improve this answer
Why the first printf? – rozcietrzewiacz Aug 30 '11 at 14:40
It would make sense if you were counting backwards from 10 to 1 – glenn jackman Aug 30 '11 at 14:44
@rozcietrzewiacz and glenn jackman: I think i put it, without thinking too much, remembering a case where the numbers had different lengths, so that something old could be leaved on screen. – enzotib Aug 30 '11 at 14:56
@glen Really? How exactly? – rozcietrzewiacz Aug 30 '11 at 15:02
I missed the '%2d' in the next printf. If it had just been for i in {10..1..-1}; do printf "\r%d" $i; sleep 1; done then you would have seen 10, 90, 80, 70, etc – glenn jackman Aug 30 '11 at 15:34

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