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Full Discussion: UNIX trick or command
Top Forums UNIX for Beginners Questions & Answers UNIX trick or command Post 302991350 by RavinderSingh13 on Thursday 9th of February 2017 11:51:34 AM
Old 02-09-2017
Quote:
Originally Posted by Scrutinizer
Shell:
Code:
while read line; do
  for i in A B; do
    echo "${i}_${line}"
  done
done < infile

Hello Scrutinizer,

Just for fun, we could remove 1 loop from above code and could try following.
Code:
while read line
do
    echo -e "A_$line\nB_$line";
done < "Input_file"

Thanks,
R. Singh
 

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