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append blank spaces at the end of a variable string

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# 1  
Old 06-17-2012
append blank spaces at the end of a variable string
Hello, could you please help with this one. I have an input file like this:
Code:
123,4567,89000
123456789,9876543,12

and for the output I need strings to be with the fixed length, let's say 15, and if the string is -lt 15 to be populated with blanks at the end until it reach 15, like this:
Code:
123 ,4567 ,89000 
123456789 ,9876543 ,12

I tried this, but it is not working....
Code:
while [ $len -lt 15 ]; do $1=`echo " "$1`; done

Thanks!
Last edited by Scrutinizer; 06-17-2012 at 09:31 AM.. Reason: code tags also for data
# 2  
Old 06-17-2012
Try this
Code:
awk -F',' '{OFS=","}{ for (i=1;i<NF;i++) {printf("%-15s,",$i)}{printf($NF"\n")}}' file1

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