mkdirhier

wu-ftpd类unix下的ftp服务器,可用于嵌入式系统

#!/bin/sh
#
# Copyright (c) 1999,2000 WU-FTPD Development Group.
# All rights reserved.
# 
# Portions Copyright (c) 1980, 1985, 1988, 1989, 1990, 1991, 1993, 1994 
#    The Regents of the University of California.  
# Portions Copyright (c) 1993, 1994 Washington University in Saint Louis.  
# Portions Copyright (c) 1989 Massachusetts Institute of Technology.  
# Portions Copyright (c) 1998 Sendmail, Inc.
# Portions Copyright (c) 1983, 1995, 1996, 1997 Eric P. Allman.  
# Portions Copyright (c) 1996, 1998 Berkeley Software Design, Inc.  
# Portions Copyright (C) 1991, 1992, 1993, 1994, 1995 1996, 1997 
#    Free Software Foundation, Inc.  
# Portions Copyright (c) 1997 Stan Barber.  
# Portions Copyright (c) 1997 Kent Landfield.
# 
# Use and distribution of this software and its source code are governed by 
# the terms and conditions of the WU-FTPD Software License ("LICENSE").
# 
# If you did not receive a copy of the license, it may be obtained online at
# http://www.wu-ftpd.org/license.html.
# 
# $Id: mkdirhier,v 1.5 2000/07/01 18:42:38 wuftpd Exp $
#
newline='
'
IFS=$newline

case ${1--} in
-*) echo >&2 "mkdirhier: usage: mkdirhier directory ..."; exit 1
esac

status=

for directory
do
	case $directory in
	'')
		echo >&2 "mkdirhier: empty directory name"
		status=1
		continue;;
	*"$newline"*)
		echo >&2 "mkdirhier: directory name contains a newline: \`\`$directory''"
		status=1
		continue;;
	///*) prefix=/;; # See Posix 2.3 "path".
	//*) prefix=//;;
	/*) prefix=/;;
	-*) prefix=./;;
	*) prefix=
	esac

	IFS=/
	set x $directory
	case $2 in
	    */*)	# IFS parsing is broken
		IFS=' '
		set x `echo $directory | tr / ' '`
		;;
	esac
	IFS=$newline
	shift

	for filename
	do
		path=$prefix$filename
		prefix=$path/
		shift

		test -d "$path" || {
			paths=$path
			for filename
			do
				if [ "$filename" != "." ]; then
					path=$path/$filename
					paths=$paths$newline$path
				fi
			done

			mkdir $paths || status=$?

			break
		}
	done
  done

exit $status