Linux shell script

Lowercasing and Replacing Spaces with Hyphens

Renames files within the current directory and its subdirectories by converting file names to lowercase and replacing spaces and underscores with hyphens

將檔案名稱轉換為小寫，用連字符替換空格和下劃線，重命名當前目錄及其子目錄中的文件

find . -depth -name "*[ _]*" -execdir bash -c 'mv -i "$1" "$(echo $1 | tr "[:upper:]" "[:lower:]" | tr " _" "--")"' _ {} \;