I'm trying to assign variables that include the current value of a count, but I can't seem to get it working... this script is incomplete, but some guidance on how to use a dynamic variable would be helpful:
Sample Input:
Like I said, this is incomplete and there may be more efficient ways of doing this, but I need help with the denoted portion:
I was just thinking if there is a way where i can dynamically rename files based on the actual file content.
I have a load of pdf's which have been named wrongly. (We normally put date first, then brief description, then title)
So can a script be written wherin, it pulls out the date and title... (2 Replies)
Hi,
I need a script that will run a dynamic Oracle SQL. Dynamic meaning the SQL statement depends on the parameter.
For instance, something like this:
#!/bin/ksh -x
# Set environment
. /home/mine/set_vars
sqlplus $LOGINID <<! >> /home/mine/log.txt
select count(1) from $1
where... (2 Replies)
Hi All
I've very nearly finished this script I'm working on but have hit another idiots problem, after googling I can't see a solution for this one.
I have a while count loop that checks checks two consecutive values then increments the count by two.
What the script has to do is then check... (5 Replies)
Hi I have to run the script (a part of the code) in a loop for the no of times the files present in the directory, by taking one file and process and next another file.
For example, if we do ls and the result have:
$ls
abc.dat def.dat ghi.dat
The script code should loop for 3... (4 Replies)
I am attempting to create a script that would allow me to list all the instances associated with a DB2 and then prompt the user to choose which one to issue the db2profile command against. I use the db2 command db2ilist to get a list of the instances for a particular server, but the number of... (1 Reply)
I am attempting to create a script that would allow me to list all the instances associated with a DB2 and then prompt the user to choose which one to issue the db2profile command against. I use the db2 command db2ilist to get a list of the instances for a particular server, but the number of... (7 Replies)
I have a small program which needs to pass variable dynamically to form the name of a second variable whose value wil be passed on to a third variable.
***************** Program Start ******************
LOC1=/loc1
PAT1IN=/loc2
PAT2IN=/loc3
if ; then
for fpattern in `cat... (5 Replies)
Hello,
i want built a log analyzer for nginx. Okay and i use it as training for the shell tools. The most what i want i could relize. But i has trouble with dynamic things. I have the IP address extracted and has set the geo localtion for the ip.
I would like to count the countries. With... (3 Replies)
Discussion started by: sisihagen
3 Replies
LEARN ABOUT CENTOS
sg_sync
SG_SYNC(8) SG3_UTILS SG_SYNC(8)NAME
sg_sync - send SCSI SYNCHRONIZE CACHE command
SYNOPSIS
sg_sync [--16] [--count=COUNT] [--group=GN] [--help] [--immed] [--lba=LBA] [--sync-nv] [--timeout=SECS] [--verbose] [--version] DEVICE
DESCRIPTION
Send SYNCHRONIZE CACHE(10) or SYNCHRONIZE CACHE(16) command to DEVICE. These commands are defined for SCSI block devices (see SBC-3). If
successful these commands make sure that any blocks whose latest versions are held in cache are written to (also termed as "synchronized
with") the medium.
If the LBA and COUNT arguments are both zero (their defaults) then all blocks in the cache are synchronized. If LBA is greater than zero
while COUNT is zero then blocks in the cache whose addresses are from and including LBA to the highest lba on the device are synchronized.
If both LBA and COUNT are non zero then blocks in the cache whose addresses lie in the range LBA to LBA+COUNT-1 inclusive are synchronized
with the medium.
OPTIONS
Arguments to long options are mandatory for short options as well.
-S, --16
performs a SYNCHRONIZE CACHE(16) command. Default is to perform a SYNCHRONIZE CACHE(10) command.
-c, --count=COUNT
where COUNT is the number of blocks to synchronize from and including LBA. Default value is 0. When 0 then all blocks in the cache
from and including LBA argument to the highest block address are synchronized.
-g, --group=GN
where GN is the group number which can be between 0 and 31 inclusive. The default value is 0 . Group numbers are used to segregate
data collected within the device. This is a new feature in SBC-2 and can probably be ignored for the time being.
-h, --help
output the usage message then exit.
-i, --immed
sets the IMMED bit in the SYNCHRONIZE CACHE command. This instructs the device, if the format of the command is acceptable, to
return a GOOD status immediately rather than wait for the blocks in the cache to be synchronized with (i.e. written to) the medium.
-l, --lba=LBA
where LBA is the lowest logical block address in the cache to synchronize to the medium. Default value is 0 .
-s, --sync-nv
synchronize the (volatile) cache with the non-volatile cache. Without this option (or if there is no non-volatile cache in the
device) the synchronization is with the medium. The SYNC_NV bit was made obsolete in SBC-3 revision 35d.
-t, --timeout=SECS
where SECS is the number of seconds the OS allows the SYNCHRONIZE CACHE(16) to complete before it tries to cancel the command. Can-
celling commands (typically with the task management function "abort task") is best avoided. Note this option is only active
together with the --16 option. The default timeout is 60 seconds for both SYNCHRONIZE CACHE(10) and SYNCHRONIZE CACHE(16). Note that
timeout issues can be avoided with the --immed option.
-v, --verbose
increase the level of verbosity, (i.e. debug output).
-V, --version
print the version string and then exit.
NOTES
With the SYNCHRONIZE CACHE(16) command LBA can be up to 64 bits in size and COUNT up to 32 bits in size. With the SYNCHRONIZ CACHE(10) com-
mand LBA can be up to 32 bits in size and COUNT up to 16 bits in size.
Various numeric arguments (e.g. LBA) may include multiplicative suffixes or be given in hexadecimal. See the "NUMERIC ARGUMENTS" section in
the sg3_utils(8) man page.
EXIT STATUS
The exit status of sg_sync is 0 when it is successful. Otherwise see the sg3_utils(8) man page.
AUTHORS
Written by Douglas Gilbert.
REPORTING BUGS
Report bugs to <dgilbert at interlog dot com>.
COPYRIGHT
Copyright (C) 2004-2013 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-1.37 July 2013 SG_SYNC(8)