如何在mac中自动弹出和删除dmg文件

set selection_list to selection

if (count selection_list) < 1 then

display dialog

"Please select a volume mounted from a disk image." with title

"No Selection Found" with icon stop

buttons default button 1

return

end if

set my_selection to item 1 of selection_list

set my_kind to kind of my_selection

set my_name to name of my_selection

if my_kind is not "Volume" then

display dialog

"Please select a volume mounted from a disk image file." with title

"Selection is not a Disk Image" with icon stop

buttons default button 1

return

end if

set volume_list to paragraphs of (do shell script "hdiutil info | grep ^/dev/disk | grep -o '/Volumes/.*'")

set source_list to paragraphs of (do shell script "hdiutil info | grep ^image'-'alias | grep -o '/.*'")

set match_found to false

repeat with v from 1 to (count volume_list)

if "/Volumes/" & my_name = item v of volume_list then

set match_found to true

exit repeat

end if

end repeat

if match_found is not equal to true then

display dialog

"The selected volume does not appear to be a Disk Image." with title

"Could not find Disk Image" with icon stop

buttons default button 1

return

else

set my_source to POSIX file (item v of source_list) as alias

move my_source to the trash

eject my_selection

--reveal my_source

end if