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hm, i thought that the lastpipe parameter to the shopt builtin did away with that, no? To quote the bash reference manual (https://www.gnu.org/software/bash/manual/html_node/The-Shopt-Builtin.html):...

Yes, because what you say you want and what you have written isn't consistent i have take the liberty to annotate your code:


#!/bin/sh
sum=0
while read line
do
var1="$(echo "$line" | awk...

This thread is in a support area of the forum - transferring it to "Shell Programming and Scripting".