detect file change in folder linux code example

Example 1: rename all files starting with in linux

$ mmv '*abc*' '#1xyz#2'

Example 2: linux find and rename files with text

find . -type f -name 'Lucky-*' | while read FILE ; do
    newfile="$(echo ${FILE} |sed -e 's/\\#U00a9/safe/')" ;
    mv "${FILE}" "${newfile}" ;
done