Left filled with zeros

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# 1  
Old 02-25-2008
Question Left filled with zeros

A question about numeric display there...
Is there any option in awk that would prints a number with "left filled with zero" format, and how does it work with variable length definition?

For instance IŽd like my variable to be left filled with 0s for a length of 3 in total:

4 would be 004
12 would be 012
312 would be 312

Any help would be much appreciated, cheers.
# 2  
Old 02-25-2008
echo "4" | awk '{printf("%03d\n",$0)}'

this may help you
# 3  
Old 02-25-2008
Here is an example of one way to do it:



cat <<EOT >$tmp

awk '{ printf "%03d\n", $1 }' $tmp

rm $tmp
exit 0

# 4  
Old 02-25-2008
Many thanks
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