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下面的短小的shell程序可以列出目录树, 充分利用了sed强大的模式匹配能力. 目录树形式如下: . `----shellp `----updates `----wu-ftpd-2.4 | `----doc | | `----examples | `----src | | `----config | | `----makefiles | `----support | | `----makefiles | | `----man | `----util 脚本如下： #!/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" (责任编辑：IT) |