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I have a below syntax its working fine...
var12=$(ps -ef | grep apache | awk '{print $2,$4}')
Im getting expected output as below:
printf "%b\n" "${VAR12}"
dell 123
dell 456
dell 457
Now I wrote a while loop.. the output of VAR12 should be passed as input parameters to while loop and results... (5 Replies)
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2. Shell Programming and Scripting
Hi,
My aim is to get the md5 hash of a file and store it in a variable.
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$var1
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3. Shell Programming and Scripting
OSX 10.9
How does "defaults" know where to look for .plists? To expand:
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My script below seems to be choking because I need the the output of the find command to be stored as a variable that can then be called by used lower in the script.
#!/bin/bash
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5. Shell Programming and Scripting
Hi All,
Hope someone can advise here as I have been struggling to find a syntax that works here. I have tried a stack of combination I have seed in the forums but I think because I have needed to use "" and `` in the statments another method is found.
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I'm sure this is a simple thing but I can't figure it out. In a script that I'm writing, I'd like to be able to store each line of output from "ls -l" into a variable. Ultimately I'd like to end up with something like:
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i have some files in one directory(say some sample dir) whose names will be like the following.
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I'm trying to retrieve a value from a plist file, which I have done before with no problems, however this plist file looks a little different....
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Hi unix gurus,
I am trying to store the result of a command into a variable.
But it is not getting stored.
x='hello'
y=echo $x | wc -c
but it is giving the output as 0(zero)
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10. Shell Programming and Scripting
HI
I am trying to store the output of this awk command
awk -F, {(if NR==2) print $1} test.sr
in a variable when I am trying v= awk -F, {(if NR==2) print $1} test.sr
$v = awk -F, {(if NR==2) print $1} test.sr
but its not working out .
Any suggestions
Thanks
Arif (3 Replies)
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Info::Layer2(3pm) User Contributed Perl Documentation Info::Layer2(3pm)
NAME
SNMP::Info::Layer2 - SNMP Interface to network devices serving Layer2 only.
AUTHOR
Max Baker
SYNOPSIS
# Let SNMP::Info determine the correct subclass for you.
my $l2 = new SNMP::Info(
AutoSpecify => 1,
Debug => 1,
DestHost => 'myswitch',
Community => 'public',
Version => 2
)
or die "Can't connect to DestHost.
";
my $class = $l2->class();
print "SNMP::Info determined this device to fall under subclass : $class
";
# Let's get some basic Port information
my $interfaces = $l2->interfaces();
my $i_up = $l2->i_up();
my $i_speed = $l2->i_speed();
foreach my $iid (keys %$interfaces) {
my $port = $interfaces->{$iid};
my $up = $i_up->{$iid};
my $speed = $i_speed->{$iid}
print "Port $port is $up. Port runs at $speed.
";
}
DESCRIPTION
This class is usually used as a superclass for more specific device classes listed under SNMP::Info::Layer2::* Please read all docs under
SNMP::Info first.
Provides abstraction to the configuration information obtainable from a Layer2 device through SNMP. Information is stored in a number of
MIBs.
For speed or debugging purposes you can call the subclass directly, but not after determining a more specific class using the method above.
my $l2 = new SNMP::Info::Layer2(...);
Inherited Classes
SNMP::Info
SNMP::Info::Bridge
SNMP::Info::Entity
Required MIBs
Inherited Classes
MIBs required by the inherited classes listed above.
MIBs can be found in netdisco-mibs package.
GLOBALS
These are methods that return scalar value from SNMP
Overrides
$l2->model()
Cross references $l2->id() with product IDs in the Cisco MIBs.
For HP devices, removes 'hpswitch' from the name
For Cisco devices, removes c<'sysid'> from the name
$l2->vendor()
Tries to discover the vendor from $l2->model() and $l2->description()
$l2->serial()
Returns serial number if available through SNMP
Globals imported from SNMP::Info
See documentation in "GLOBALS" in SNMP::Info for details.
Globals imported from SNMP::Info::Bridge
See documentation in "GLOBALS" in SNMP::Info::Bridge for details.
Globals imported from SNMP::Info::Entity
See documentation in "GLOBALS" in SNMP::Info::Entity for details.
TABLE METHODS
These are methods that return tables of information in the form of a reference to a hash.
Overrides
$l2->interfaces()
Creates a map between the interface identifier (iid) and the physical port name.
Defaults to "ifDescr" but checks and overrides with "ifName"
$l2->i_ignore()
Returns reference to hash. Increments value of IID if port is to be ignored.
Ignores ports with "ifType" of loopback, propvirtual, other, and cpu
Table Methods imported from SNMP::Info
See documentation in "TABLE METHODS" in SNMP::Info for details.
Table Methods imported from SNMP::Info::Bridge
See documentation in "TABLE METHODS" in SNMP::Info::Bridge for details.
Table Methods imported from SNMP::Info::Entity
See documentation in "TABLE METHODS" in SNMP::Info::Entity for details.
perl v5.12.4 2011-09-28 Info::Layer2(3pm)