批处理删除共享文件夹

rem 设置时间格式：20180802
set a=20180802
  
set ndate=%date:~,10%
set ndate=%ndate:/=%
set ndate=%ndate:-=%
set a=%a:-=%
if %ndate% gtr %a% (
set /a v=%ndate%-%a%
) else (
set /a v=%a%-%ndate%
)
if %v% equ 0 (net share g:share /del /y)
rem 设置共享目录：g:share