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Hi All,

Actually, the following statement:

d_arr[$c]=$ln
or
eval "d_arr[$c]=\${ln}"
b
both of the above statement work fine for double substitution, but if you look at the last couple...

patjones,

Thank you for your suggestion!
I have tried declare -a d_arr at the beginning of the program, but it doesn't change anything, for dynamic assign value for an array variable, I tried:
...

#!/bin/bash
#set -x
MAX=255
FILE=$1.dns_list
#declare -a d_arr

if [ -z "$1" ]
then
echo "Usage: `basename $0` network"
echo " e.g.`basename $0` 1.1.1"
exit ...