1) Search and replace text script  -- script name replace.sh

#!/bin/bash

# script to search and replace text and take backup file

if [ $# != 3 ] ; then

echo "Input error : syntax replace < search path> <search string> < replace string>

exit 1

elif [ ! -e $1 ] ; then

echo "Given Path $1 doesnt exist"

exit 1

else

find $1 -type f -iname *.log -exec sed -i-$(date +%d-%m-%y) "s/$2/$3/g" {} \;

exit 0

fi

2) Execution outcome