mkinstalldirs

一套很值得分析的短信SMS开发源代码。是我今年早些时候从taobao上买来的。但我现在也没看完（先说清楚

#! /bin/sh
# mkinstalldirs --- make directory hierarchy
# Author: Noah Friedman <[e-mail]>
# Created: 1993-05-16
# Public domain

# $Id: mkinstalldirs 106503 2004-11-24 23:45:40Z nd $

errstatus=0

for file
do
   set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`
   shift

   pathcomp=
   for d
   do
     pathcomp="$pathcomp$d"
     case "$pathcomp" in
       -* ) pathcomp=./$pathcomp ;;
     esac

     if test ! -d "$pathcomp"; then
        echo "mkdir $pathcomp"

        mkdir "$pathcomp" || lasterr=$?

        if test ! -d "$pathcomp"; then
  	  errstatus=$lasterr
        fi
     fi

     pathcomp="$pathcomp/"
   done
done

exit $errstatus

# mkinstalldirs ends here