Search Replace Multiple Files

search_replace.sh

perl -pi -w -e 's/search/replace/g;' $( grep -rl 'search' . )
# Perl arguments
# -e means execute the following line of code.
# -i means edit in-place
# -w write warnings
# -p loop over the input file, printing each line after the script is applied to it.
# Grep Arguments
# r is recursive which defaults to NOT following symbolic links
# l is listing the file names only
# the . is the directory you want to search in