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File scan_scsi.linux of Package wodim

#!/bin/bash
#
# show generic devices for CDROM SCSI devices
#
# needs a mounted /proc filesystem, printf, echo and grep
#
# when invoked with a number, the n-th cdrom SCSI address is
# printed.
#
# example: 'scan_scsi.linux 2' will print the SCSI settings for
#          the second cdrom device, namely '0,4,0' in my
#          system.
#
# BUGS: limited to 9 devices
#

NUMBER=0
LETTER=a
while read ID; do
	if [ ".${ID%%' '}" = ".Attached devices:" ]; then
		continue;
	fi
	read ignore;
	read ignore type ignore;
	echo $ID '  ' $type ' -> ' /dev/sg$NUMBER
	#echo $ID '  ' $type ' -> ' /dev/sg$NUMBER or /dev/sg$LETTER
	NUMBER=$(($NUMBER + 1))
#done <test_scanscsi | grep "WORM\|CD-ROM" |
done </proc/scsi/scsi | grep "WORM\|CD-ROM" | \
(DRIVES=1
while read CD_DRIVE; do
	if test $# -ne 0; then
		if test $DRIVES -eq $1; then
			CD_DRIVE=${CD_DRIVE#Host: scsi}
			SCSIHOST=${CD_DRIVE%% *}
			CHANNEL=${CD_DRIVE#*Channel: }
			CHANNEL=${CHANNEL%% *}
			SCSIID=${CD_DRIVE#*Id: }
			SCSIID=${SCSIID%% *}
			SCSILUN=${CD_DRIVE#*Lun: }
			SCSILUN=${SCSILUN%% *}
			#CD_DRIVE=${CD_DRIVE% or /dev/*}
			echo ${CHANNEL},${SCSIID},${SCSILUN}
			break;
		fi
	else
			echo ${CD_DRIVE}
	fi
	DRIVES=$(($DRIVES + 1))
done)

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File scan_scsi.linux of Package wodim

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