asp下利用fso实现文件夹或文件移动改名等操作函数

)
i = i + 1
ePATH = replace(sPATH,filename & ".",filename & "_" & i + 1 & ".")
if fso.fileexists(server.mappath(ePATH)) then
fso.deletefile(server.mappath(ePATH))
else
i = -1
end if
wend
end if
end function