On Thu, Dec 9, 2010 at 19:03, David Zeuthen <zeuthen@xxxxxxxxx> wrote: > On Thu, Dec 9, 2010 at 9:26 AM, Â<harald@xxxxxxxxxx> wrote: >> From: Harald Hoyer <harald@xxxxxxxxxx> >> >> $ udevadm info --query=shproperty --name=/dev/sda >> UDEV_LOG='3' >> DEVPATH='/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda' >> MAJOR='8' >> MINOR='0' >> DEVNAME='/dev/sda' >> DEVTYPE='disk' >> ... >> DEVLINKS='/dev/block/8:0 /dev/disk/by-id/ata-APPLE_SSD_TS128B_60CS105MT4RZ /dev/disk/by-id/scsi-SATA_APPLE_SSD_TS128_60CS105MT4RZ /dev/disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0' >> >> This enables the use of "eval" in shell scripts: >> $ eval $(udevadm info --query=shenv --name=/dev/sda) >> $ echo $DEVLINKS >> /dev/block/8:0 /dev/disk/by-id/ata-APPLE_SSD_TS128B_60CS105MT4RZ /dev/disk/by-id/scsi-SATA_APPLE_SSD_TS128_60CS105MT4RZ /dev/disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0 > > Would be nice if you could prefix the resulting environment variables e.g. > > Â$ eval $(udevadm info --query=shenv --shprefix=MY_NAMESPACE --name=/dev/sda) > Â$ echo $MY_NAMESPACE_DEVLINKS > Â/dev/block/8:0 /dev/disk/by-id/ata-APPLE_SSD_TS128B_60CS105MT4RZ > /dev/disk/by-id/scsi-SATA_APPLE_SSD_TS128_60CS105MT4RZ > /dev/disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0 > > to ensure that no existing variables gets overwritten. You probably > also want to patch the man pages. There is already --export, and --export-prefix for 'udevadm info'. That can probably be re-used. I think, the quotes we can just always unconditionally add, when we have whitespace in the value. Kay -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
