SHELL遞歸遍歷文件夾下所有文件

#!/bin/bash
read_dir(){
    for file in `ls -a $1`
    do
        if [ -d $1"/"$file ]
        then
            if [[ $file != '.' && $file != '..' ]]
            then
                read_dir $1"/"$file
            fi
        else
            echo $1"/"$file
        fi
    done
}
#測試目錄 test
read_dir test