BASH Script to Detect and List USB Flash Drives Post: 302297921

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Top Forums Shell Programming and Scripting BASH Script to Detect and List USB Flash Drives Post 302297921 by godzillarama on Monday 16th of March 2009 06:58:34 AM

03-16-2009

Registered User

Thanks, Corona, for those replies; however, I believe that the LSHW utility will do nicely for gathering the information I'm wanting to list for the users. Here is a sample output from my machine. Two flash drives are connected (one of them older and painfully small -- 64MB -- the other 1GB).

This is the result of the "lshw -short" command.

Code:

H/W path                Device     Class       Description
==========================================================
                                   system      PROD00000000
/0                                 bus         Motherboard
/0/0                               processor   Intel(R) Pentium(R) 4 CPU 2.00GHz
/0/0/0                             memory      8KiB L1 cache
/0/0/1                             memory      512KiB L2 cache
/0/1                               memory      2021MiB System memory
/0/100                             bridge      651 Host
/0/100/1                           bridge      Virtual PCI-to-PCI bridge (AGP)
/0/100/1/0                         display     NV44A [GeForce 6200]
/0/100/2                           bridge      SiS962 [MuTIOL Media IO]
/0/100/2.1                         bus         SiS961/2 SMBus Controller
/0/100/2.5                         storage     5513 [IDE]
/0/100/2.5/0            ide0       bus         IDE Channel 0
/0/100/2.5/0/0          /dev/hda   disk        160GB SAMSUNG SP1604N
/0/100/2.5/0/0/1        /dev/hda1  volume      127GiB Windows NTFS volume
/0/100/2.5/0/0/2        /dev/hda2  volume      21GiB Windows NTFS volume
/0/100/2.5/0/1          /dev/hdb   disk        81GB Maxtor 6L080L0
/0/100/2.5/0/1/1        /dev/hdb1  volume      76GiB EXT3 volume
/0/100/2.5/1            ide1       bus         IDE Channel 1
/0/100/2.5/1/0          /dev/hdc   disk        SONY DVD RW DW-Q30A
/0/100/2.5/1/0/0        /dev/hdc   disk
/0/100/2.5/1/1          /dev/hdd   disk        LITE-ON LTR-52327S
/0/100/2.7                         multimedia  AC'97 Sound Controller
/0/100/3                           bus         USB 1.1 Controller
/0/100/3/1              usb4       bus         OHCI Host Controller
/0/100/3.1                         bus         USB 1.1 Controller
/0/100/3.1/1            usb5       bus         OHCI Host Controller
/0/100/3.3                         bus         USB 2.0 Controller
/0/100/3.3/1            usb1       bus         EHCI Host Controller
/0/100/a                           bus         USB
/0/100/a/1              usb6       bus         OHCI Host Controller
/0/100/a.1                         bus         USB
/0/100/a.1/1            usb7       bus         OHCI Host Controller
/0/100/a.1/1/1                     input       Microsoft IntelliMouse
/0/100/a.2                         bus         USB 2.0
/0/100/a.2/1            usb2       bus         EHCI Host Controller
/0/100/a.2/1/3          scsi2      storage     Flash Disk
/0/100/a.2/1/3/0.0.0    /dev/sda   disk        1029MB SCSI Disk
/0/100/a.2/1/3/0.0.0/1  /dev/sda1  volume      981MiB Windows FAT volume
/0/100/b                           bus         VT82xxxxx UHCI USB 1.1 Controller
/0/100/b/1              usb8       bus         UHCI Host Controller
/0/100/b/1/1            scsi3      storage     Mass Storage Device
/0/100/b/1/1/0.0.0      /dev/sdb   disk        65MB SCSI Disk
/0/100/b/1/1/0.0.0/1    /dev/sdb1  volume      62MiB Windows FAT volume
/0/100/b.1                         bus         VT82xxxxx UHCI USB 1.1 Controller
/0/100/b.1/1            usb9       bus         UHCI Host Controller
/0/100/b.2                         bus         USB 2.0
/0/100/b.2/1            usb3       bus         EHCI Host Controller
/0/100/d                eth0       network     RTL-8139/8139C/8139C+

Only takes a couple of seconds. True, lshw tends to view flash drives as SCSI devices, but I don't see that as a dealbreaker.

godzillarama

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LEARN ABOUT NETBSD

ehci

EHCI(4) 						   BSD Kernel Interfaces Manual 						   EHCI(4)

NAME

     ehci -- USB Enhanced Host Controller driver

SYNOPSIS

     ehci* at cardbus? function ?
     ehci* at pci? dev ? function ?
     usb*  at ehci?

DESCRIPTION

     The ehci driver provides support for the USB Enhanced Host Controller Interface, which is used by USB 2.0 controllers.

     EHCI controllers are peculiar in that they can only handle the USB 2.0 protocol.  This means that they normally have one or more companion
     controllers (i.e., ohci(4) or uhci(4)) handling USB 1.x devices.  Consequently each USB connector is electrically connected to two USB con-
     trollers.	The handling of this is totally automatic, but can be noticed since USB 1.x and USB 2.0 devices plugged in to the same connector
     appear to connect to different USB busses.

SEE ALSO

     cardbus(4), ohci(4), pci(4), uhci(4), usb(4)

HISTORY

     The ehci driver appeared in NetBSD 1.6.

BUGS

     The support for hubs that are connected with high speed upstream and low or full speed downstream (i.e., for transaction translators) is lim-
     ited.

BSD
								   Aug 10, 2008 							       BSD