Shell Programming and Scripting

Hi

I have to replace in around 60 files a word an replcae it by another

Suppose all the files have a word intelligent i want to replace it by idiot

I am planning to use sed for executing this job

Code:

sed 's/\intelligent/idiot/g'

I plan to have a file (test.txt) which contains list of all 60 files which are to be edited

Code:

cat test.txt | while read line 
 
do

here i am a bit stuck up .. How do i proceed so that the script reads the file names from test.txt and perform a
sed 's/\intelligent/idiot/g'

please help

Code:

#!/bin/ksh

while read i
do
  echo $i
  printf '1,$s/intelligent/idiot/g\nwq!\n' | ex -s "${i}"
done < test.txt