03-09-2002
taking backup en getting info about it
I want to write a script that tells me if the tape device is ready, if the answer is not yes ($?is not 0) i get an answer that the tape_device is not ready. If the tape is ready i can do a
tar -cvf $tape1 * .
How can i write a script to control if the tapedevice is ready or not?
How can i write a script so i get an output on a file that tells me how many files are backup-ed.
i thought about the commands
tar -tvf $tape1 > mylist
and then do the command wc -l mylist
but how can i put the output into a variable for exemple $Mynumber, i thought about the command 'read 'but i dont know how to write it
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LEARN ABOUT DEBIAN
scsi_ready
SCSI_READY(8) SG3_UTILS SCSI_READY(8)
NAME
scsi_ready - do SCSI TEST UNIT READY on devices
SYNOPSIS
scsi_ready [--brief] [--help] [--verbose] DEVICE [DEVICE]*
DESCRIPTION
This Bourne shell script calls the sg_turs utility on each given DEVICE. This will send a SCSI TEST UNIT READY command to each DEVICE.
Disks, tape drives and DVD/BD players amongst others may respond to this SCSI command.
OPTIONS
Arguments to long options are mandatory for short options as well.
-b, --brief
for each DEVICE given output a line containing either ' ready' or ' device not ready'. If DEVICE is not found or there is
another serious error then an error message will appear instead.
-h, --help
print out the usage message then exit.
-v, --verbose
increase level or verbosity.
EXIT STATUS
The exit status of this script is 0 when it is successful. Otherwise the exit status is that of the last sg_turs utility called. See the
sg3_utils(8) man page.
AUTHORS
Written by D. Gilbert
COPYRIGHT
Copyright (C) 2009 Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
POSE.
SEE ALSO
sg_turs (sg3_utils)
sg3_utils-1.28 October 2009 SCSI_READY(8)