清除垃圾的VBS文件 自动查找多个盘

rem made by correy
rem made at 2007.9.22
rem it can be delete you computers the follow things(except cd,dvd)
rem it can be delete empty file and folder
rem it can be delete .tmp ._mp .log .gid .chk .old file
rem it can be delete temp,recent,cookis,recycled,prefetch,and "Temporary Internet Files" folder.
rem i am thinking how to delete the same size and same names file and folder

On Error GoTo 0
Set fso = CreateObject("Scripting"&"."&"FileSystem"&"Object")

for n = 1 to 3
For Each d in fso.Drives
if d.drivetype=4 then
Exit For
else
scan(d)
end if
next
next

sub scan(folder)
on error resume next
set folder=fso.getfolder(folder)
for each file in folder.files
if file.size=0 then
file.delete(true)
end if

ext=fso.GetExtensionName(file)
ext=lcase(ext)
if ext="tmp" or ext="_mp" or ext="log" or ext="gid" or ext="chk" or ext="old" then 30
file.delete(true)
end if
next
for each subfolder in folder.subfolders

rem instrRev() cant be used,i want to find "\".
if left(subfolder.path,4)="temp" or left(subfolder.path,8)="recycled" then
subfolder.delete(true)
elseif left(subfolder.path,6)="recent" or left(subfolder.path,7)="cookis" then
subfolder.delete(true) rem 40
elseif left(subfolder.path,24)="Temporary Internet Files" or left(subfolder.path,8)="prefetch" then
subfolder.delete(true)
end if

if subfolder.size=0 then subfolder.delete(true)
scan(subfolder)
next
end sub