Shell Programming and Scripting

bash-3.2# cat test2.sh 
find /Users/richsark/test-US/dhcp -type f ! -name "*.bak" |while read line
do
  awk 'NR==FNR{a[$1]=$2;next} !/^#/ {for (i in a) if ($0~i) sub(i ".fs.us.",a[i])}1' rich-input.txt "$line" > temp
  echo mv temp "$line"
done
bash-3.2#

bash-3.2# ./test2.sh 
mv temp /Users/richsark/test-US/dhcp/dhcp.in
bash-3.2# ls -al
total 32
drwxr-xr-x   7 richsark  staff  238 Oct 28 23:13 .
drwxr-xr-x+ 22 richsark  staff  748 Oct 28 23:11 ..
drwxr-xr-x   3 root         staff  102 Oct 28 22:48 dhcp
-rw-r--r--   1 richsark  staff  188 Oct 28 22:18 rich-input.txt
-rw-r--r--   1 root         staff   53 Oct 28 23:13 temp
-rwxrwxrwx   1 richsark  staff  170 Oct 28 22:58 test.sh
-rwxrwxrwx   1 root         staff  224 Oct 28 23:11 test2.sh

option domain-name-servers 166.2.100.32,166.6.4.100;

find /Users/richsark/test-US/dhcp -type f ! -name "*.bak" |while read line
do
  awk 'NR==FNR{a[$1]=$2;next} !/^#/ {for (i in a) if ($0~i) sub(i ".fs.us.",a[i])}1' rich-input.txt "$line" > temp
  mv temp "$line"
done

find /Users/richsark/test-US/dhcp -type f ! -name "*.bak" |while read line
do
  awk 'NR==FNR{a[$1]=$2;next} !/^#/ {for (i in a) if ($0~i) sub(i ".fs.us.",a[i])}1' rich-input.txt "$line" > temp
#  echo mv temp "$line"
mv temp "$line"
done

option domain-name-servers addnsr1pri.us.fs, addnsr1sec2.us.fs;