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cdrom_id [2018/04/09 08:09] – created beandogcdrom_id [2018/04/09 08:11] (current) beandog
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 ID_CDROM_MEDIA_TRACK_COUNT_DATA=1 ID_CDROM_MEDIA_TRACK_COUNT_DATA=1
 </code> </code>
 +
 +You can use it as a poor man's check for a drive status -- see if there's something in there or not.
 +
 +''ID_CDROM_MEDIA_DVD=1'' will be present if there's a DVD in there (not a CD), and ''ID_CDROM_MEDIA_STATE=complete'' will display if it's finished accessing the device.
 +
 +However, just because udev is finished, doesn't mean the drive is immediately available. That's why I wrote [[dvd_drive_status]] which will check to see if it's really ready to be read.
 +
 +Using [[dvd_eject]] will also wait for the drive to be ready, if you use it to close the tray: ''dvd_eject -t''