linux查看所有目录的shell脚本

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#!/bin/sh
# dtree: Usage: dtree [any directory]
dir=${1:-.}
(cd $dir; pwd)
find $dir -type d  -print | sort -f | sed -e "s,^$1,," -e "/^$/d" -e "s,[^/]*/([^/]*)$,----1," -e "s,[^/]*/,| ,g"