Linux shell replaces strings in multiple files in batches

Linux shell is a simple method to replace strings in multiple files in batches in Linux. You can use the sed command to replace strings in multiple files in batches. You can use the sed command to replace strings in multiple files in batches. Sed-I "s/original string/New String/g" 'grep original string-rl directory 'For example: I want to replace mahuinan with huinanma and execute the command: sed-I "s/mahuinan/huinanma/g" 'grep mahuinan-rl/www 'is currently the simplest string replacement command in linux! The specific format is as follows: sed-I "s/oldString/newString/g" 'grep oldString-rl/path' instance code: sed-I "s/size/Sun/month/g" 'grep size-rl/usr/aa 'sed-I "s/size/Sun/month/g "' grep size-rl. /'self-extended explanation: Command: sed-I "s/oldstring/newstring/g" 'grep "oldstring"-rl path: -I replace directly in the file, instead of outputting the string syntax to the terminal "s/oldstring/newstring/g, replace all 'grep "oldstring"-rl path' with g. Note the quotation marks on both sides of the command. -R: recursive search in the directory-l: the output shows that the file name containing oldstring is actually a sed command: sed-I "s/oldstring/newstring/g" "files containing oldstring", and files containing oldstring are obtained from the command grep "oldstring"-rl path.