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Shell Programming and Scripting
Wait functionality in Solaris
Post 302815769 by Rahul619 on Sunday 2nd of June 2013 12:46:33 AM
06-02-2013
Wait functionality in Solaris
hi all ,
If pid is not an active process ID, the wait utility will return immediately and the return code will be 0.
i just came across this which means that wait will returm 0 even though the script has failed
so can anyone tell me what is the exact way to get the return status from wait command in bash script ?
If pid is not an active process ID, the wait utility will return immediately and the return code will be 0.
i just came across this which means that wait will returm 0 even though the script has failed
so can anyone tell me what is the exact way to get the return status from wait command in bash script ?|
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LEARN ABOUT CENTOS
scsi_start
SCSI_START(8) SG3_UTILS SCSI_START(8) NAME
scsi_start - start one or more SCSI disks SYNOPSIS
scsi_start [--help] [--verbose] [--wait] DEVICE [DEVICE]* DESCRIPTION
This bash shell script calls the sg_start utility on each given DEVICE. The purpose is to spin up (start) each given DEVICE. OPTIONS
Arguments to long options are mandatory for short options as well. -h, --help print out the usage message then exit. -v, --verbose increase level or verbosity. -w, --wait wait for the spin up (start) on each given DEVICE to complete. The default action is to do each start in immediate mode. NOTES
If a large number of disks are spun up at the same time (i.e. without the --wait option) then the power supply may be overloaded. EXIT STATUS
The exit status of this script is 0 when it is successful. Otherwise the exit status is that of the last sg_start utility called. See the sg3_utils(8) man page. AUTHORS
Written by D. Gilbert COPYRIGHT
Copyright (C) 2009-2013 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_start (sg3_utils) sg3_utils-1.36 May 2013 SCSI_START(8)