#!/bin/bash
file="/boot/grub/grub.cfg"
while read -r line
    do
        [[ "$line" = \#* ]] && continue
        address="\\${line}\\127.0.0.1" 
        echo $line
    done < "$file"
echo $address
 # Btw, address="\\${line}\\127.0.0.1"

# cat /boot/grub/grub.cfg | sed 's/#*//g'
