Question

I have shell script like –

while read -r line;
do 
echo $line
done  < file.txt

That’s working fine, but I need to prompt the user for input after each line read from the file.
I tried adding “read ” but that’s not working.

while read -r line;
do 
echo $line
#prompt user here
read input_user
done  < file.txt

Any thoughts? I’m open to using awk too.

Answer 1

Use a different FD for the loop’s read.

while read -u 4 -r line
do 
  echo $line
  #prompt user here
  read input_user
done 4< file.txt