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Manpages sane-find-scannerSection: SANE Scanner Access Now Easy (1)Updated: 15 Sep 2002 Index Return to Main Contents NAMEsane-find-scanner - find SCSI and USB scanners and their device filesSYNOPSISsane-find-scanner [-h|-?] [-v] [-q] [-f] [devname]DESCRIPTIONsane-find-scanner is a command-line tool to find SCSI and USB scanners and determine their Unix device files. Its primary aim is to make sure that scanners can be detected by SANE backends.For SCSI scanners, it checks the default generic SCSI device files (e.g., /dev/sg0) and /dev/scanner. The test is done by sending a SCSI inquiry command and looking for a device type of "scanner" or "processor" (some old HP scanners seem to send "processor"). So sane-find-scanner will find any SCSI scanner connected to those default device files even if it isn't supported by any SANE backend. For USB scanners, first the USB kernel scanner device files (e.g. /dev/usb/scanner0), /dev/usb/scanner, and /dev/usbscanner) are tested. The files are opened and the vendor and device ids are determined, if the operating system supports this feature. Currently USB scanners are only found this way if they are supported by the Linux scanner module or the FreeBSD or OpenBSD uscanner driver. After that test, sane-find-scanner tries to scan for USB devices found by the USB library libusb (if available). There is no special USB class for scanners, so the heuristics used to distinguish scanners from other USB devices is not perfect. sane-find-scanner will even find USB scanners, that are not supported by any SANE backend. sane-find-scanner won't find parallel port scanners, or scanners connected to proprietary ports. OPTIONS
EXAMPLEsane-find-scanner -vCheck all SCSI and USB devices for available scanners and print a line for every device file.
sane-find-scanner /dev/scanner
SEE ALSOsane(7), sane-scsi(5), sane-usb(5), scanimage(1), xscanimage(1), xsane(1), sane-backendname(5)AUTHOROliver Rauch, Henning Meier-Geinitz and othersSUPPORTED PLATFORMSUSB support is limited to Linux (kernel, libusb), FreeBSD (kernel, libusb), NetBSD (libusb), OpenBSD (kernel, libusb). Detecting the vendor and device ids only works with Linux or libusb.SCSI support is available on Irix, EMX, Linux, Next, AIX, Solaris, FreeBSD, NetBSD, OpenBSD, and HP-UX. BUGSNo support for parallel port scanners yet.
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