强大的sell利用sed和tr复制目录结构

#!/bin/bash
#===============================================================================
#
#          FILE:  copydirtree.sh
# 
#         USAGE:  ./copydirtree.sh source dist
# 
#   DESCRIPTION:  
# 
#       OPTIONS:  ---
#  REQUIREMENTS:  ---
#          BUGS:  ---
#         NOTES:  ---
#        AUTHOR: Terman Lee (), 
#       COMPANY: 
#       CREATED: 2011年09月30日 10时38分12秒 CST
#      REVISION:  ---
#===============================================================================

set -o nounset                              # Treat unset variables as an error
#处理参数
PARAM_OK=true
if [ -d $1 ]
then
	SOURCE=`readlink -f $1`/
else
	PARAM_OK=false
fi
if [ -d $2 ]
then
	TARGET=`readlink -f $2`/
else
	PARAM_OK=false
fi
if $PARAM_OK
then
        #创建替换正则表达式
	PATTERN="s;$SOURCE;$TARGET;" 
        #用find命令查找所有源目录，并利用sed和tr命令生成创建目录的脚本
	find $SOURCE -type d -printf '"%p"\t'|tr '\n' '\0'|tr '\t' '\n'|sed $PATTERN|sed 's/^/mkdir /'|tr '\0' '\n'|tr -s '/'|bash -x
fi 

该脚本使用方法:

copydirtree.sh <源目录> <目标目录>