The way to find and Replace script for Linux

Shell Script to Recursively Search and Replace on Linux

Save the file in the directory you want to search and call it replace.

—->>>do not add this line

#!/bin/bash
# This script will search and replace all regular files for a string
# supplied by the user and replace it with another string.
#
#
function usage {
echo “”
echo “Search/replace script revised by dwhs.net and ezliuxadmin.com”
echo “”
echo “Not enough parameters provided.”
echo “Usage: ./$0 searchstring replacestring”
echo “Remember to escape any special characters in the searchstring or the replacestring”
echo “”
}

#check for required parameters
if  [ ${#1} -gt 0  ]  &&  [ ${#2} -gt 0  ];
then
for f in `find  -type f`;
do
if grep -q $1 $f;
then
cp $f $f.bak
echo “The string $1 will be replaced with $2 in $f”
sed s/$1/$2/g < $f.bak > $f
rm $f.bak
fi
done

else
#print usage informamtion
usage
fi

—->>>do not add this line

When you add the script make the permissions to 755

Then run the command string to set the variables.

./replace oldtext newtext