AllesLinux

[Henk2011]

Van I'net heb ik een proggramatje om onwillige scanners te bewerken.Tenminste wat ik denk dat het moet doen. Maar het loopt vast.
Daarom hier een kopie en de reden dat het vastloopt. Wie helpt me hieruit.

#!/bin/bash
# Skript to rescan SCSI bus, using the
# scsi add-single-device mechanism
-# (w) 1998-03-19 Kurt Garloff <kurt@xxxxxxxxxx> (c) GNU GPL
-# (w) 2003-07-16 Kurt Garloff <garloff@xxxxxxx> (c) GNU GPL
-# $Id: rescan-scsi-bus.sh,v 1.24 2006/07/29 12:34:11 garloff Exp $
+# (c) 1998--2008 Kurt Garloff <kurt@xxxxxxxxxx>, GNU GPL v2 or later
+# (c) 2006--2008 Hannes Reinecke, GNU GPL v2 or later
+# $Id: rescan-scsi-bus.sh,v 1.28 2008/09/12 18:28:02 garloff Exp $

setcolor ()
{
@@ -39,7 +39,8 @@
fi
hosts="$hosts $hostno"
echo "Host adapter $hostno ($hostname) found."
- done
+ done
+ hosts=`echo $hosts | sed 's/ /\n/g' | sort -n`
}

# Return hosts. /proc/scsi/HOSTADAPTER/? must exist
@@ -64,29 +65,6 @@
done
}

-printtype ()
-{
- local type=$1
-
- case "$type" in
- 0) echo "Direct-Access " ;;
- 1) echo "Sequential-Access" ;;
- 2) echo "Printer " ;;
- 3) echo "Processor " ;;
- 4) echo "WORM " ;;
- 5) echo "CD-ROM " ;;
- 6) echo "Scanner " ;;
- 7) echo "Optical Device " ;;
- echo "Medium Changer " ;;
- 9) echo "Communications " ;;
- 10) echo "Unknown " ;;
- 11) echo "Unknown " ;;
- 12) echo "RAID " ;;
- 13) echo "Enclosure " ;;
- 14) echo "Direct-Access-RBC" ;;
- *) echo "Unknown " ;;
- esac
-}
# Get /proc/scsi/scsi info for device $host:$channel:$id:$lun
# Optional parameter: Number of lines after first (default = 2),
# result in SCSISTR, return code 1 means empty.
@@ -111,7 +89,24 @@
if [ "$LN" -gt 1 ] ; then
ILVL=$(cat ${SCSIPATH}/device/scsi_level)
type=$(cat ${SCSIPATH}/device/type)
- ITYPE=$(printtype $type)
+ case "$type" in
+ 0) ITYPE="Direct-Access " ;;
+ 1) ITYPE="Sequential-Access" ;;
+ 2) ITYPE="Printer " ;;
+ 3) ITYPE="Processor " ;;
+ 4) ITYPE="WORM " ;;
+ 5) ITYPE="CD-ROM " ;;
+ 6) ITYPE="Scanner " ;;
+ 7) ITYPE="Optical Device " ;;
+ ITYPE="Medium Changer " ;;
+ 9) ITYPE="Communications " ;;
+ 10) ITYPE="Unknown " ;;
+ 11) ITYPE="Unknown " ;;
+ 12) ITYPE="RAID " ;;
+ 13) ITYPE="Enclosure " ;;
+ 14) ITYPE="Direct-Access-RBC" ;;
+ *) ITYPE="Unknown " ;;
+ esac
SCSITMP=$(printf ' Type: %-16s ANSI SCSI
revision: %02d' "$ITYPE" "$((ILVL - 1))")
SCSISTR="$SCSISTR
$SCSITMP"
@@ -200,18 +195,17 @@
return 1
fi

- TYPE=$(printtype $IPTYPE)
procscsiscsi
TMPSTR=`echo "$SCSISTR" | grep 'Vendor:'`
if [ "$TMPSTR" != "$STR" ]; then
- echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* }
\nto: $STR ${norm}\n\n\n"
- return 0
+ echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR#* }
\nto: $STR ${norm}\n\n\n"
+ return 1
fi
TMPSTR=`echo "$SCSISTR" | sed -n 's/.*Type: *\(.*\) *ANSI.*/\1/p'`
if [ $TMPSTR != $TYPE ] ; then
- echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR}
\nto: $TYPE ${norm}\n\n\n"
- return 0
- fi
+ echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR}
\nto: $TYPE ${norm}\n\n\n"
+ return 1
+ fi
return $RC
}

@@ -297,18 +291,17 @@
# Device exists: Test whether it's still online
# (testonline returns 1 if it's gone or has changed)
testonline
- RC=$?
- if test $RC = 1 -o ! -z "$forceremove"; then
+ if test $? = 1 -o ! -z "$forceremove"; then
echo -en "\r\e[A\e[A\e[A${red}REM: "
echo "$SCSISTR" | head -n1
echo -e "${norm}\e[B\e[B"
if test -e
/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then
echo 1 >
/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/delete
- # Try readding, should fail if device is gone
+ # Try reading, should fail if device is gone
echo "$channel $id $lun" > /sys/class/scsi_host/host${host}/scan
else
echo "scsi remove-single-device $devnr" > /proc/scsi/scsi
- # Try readding, should fail if device is gone
+ # Try reading, should fail if device is gone
echo "scsi add-single-device $devnr" > /proc/scsi/scsi
fi
fi
@@ -317,6 +310,7 @@
echo 1 >
/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/rescan
fi
fi
+
printf "\r\x1b[A\x1b[A\x1b[A${yellow}OLD: $norm"
testexist
if test -z "$SCSISTR"; then
@@ -380,7 +374,10 @@
oldsearch="$lunsearch"
for tmplun in $lunsearch; do
if test $tmplun -eq $lun ; then
- dolunscan
+ # Optimization: don't scan lun 0 again
+ if [ $lun -ne 0 ]; then
+ dolunscan
+ fi
else
newsearch="$newsearch $tmplun"
fi
@@ -408,7 +405,7 @@
idlist
fi
for id in $idsearch; do
- if test -z "$lunsearch" ; then
+ if test -z "$lunsearch"; then
doreportlun
else
for lun in $lunsearch; do
@@ -486,7 +483,7 @@
unsetcolor
lunsearch=""
idsearch=`seq 0 7`
-channelsearch=""
+channelsearch="0"
remove=
forceremove=
optscan=1

resultaat bij mij:


henk@linux-z2sx:~/bin> scannertest
/home/henk/bin/scannertest: regel 5: syntaxfout nabij onverwacht symbool 'w'
/home/henk/bin/scannertest: regel 5: `-# (w) 1998-03-19 Kurt Garloff <kurt@xxxxxxxxxx> (c) GNU GPL'
henk@linux-z2sx:~/bin>

[Rinse]

volgens mij heb je geen programmaatje gedownload, maar een diff-bestand dat de verschillen laat zien tussen 2 versies van dat programmaatje.

bijv. de regels waar het bij jou op vast loopt: