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Réf. : [NV-L] Réf. : [NV-L] Re: Réf. : [NV-L] Global Variable Names

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Subject: Réf. : [NV-L] Réf. : [NV-L] Re: Réf. : [NV-L] Global Variable Names
From: "Gavin Newman" <NEWMANGJ@banksa.com.au>
Date: Wed, 09 Aug 2000 08:50:19 +0930
Alexis

Thanks for your perserverence with this and your assistance. I ended up writing 
a daemon process which manages an in-memory store for device status and call 
that from an in-line action. This has the required result and was much more fun 
to write. 

Life would be a lot easier if Netview allowed a C-like text based programming 
language for the rules editor instead of the GUI. The GUI seems to be aimed at 
small non-complex rules, when writing large complex rules it seems that the GUI 
gets in the way especially when the rule covers more real estate than the 
screen can display and also when the GUI reorganises the layout of nodes every 
time a new node is added. Just as you get a mental picture of the entire rule 
the GUI seems to shift the nodes around - tres confusing non! (Excuse my 
attempt at schoolboy French but I last touched that language in 1965!)

Regards - Gavin

>>> <alexis.henry@bnpparibas.com> 08/08/2000 17:42:18 >>>
I tried to do it exporting environment variable but i failed. I don't see how to
do it the way you want it.
So try to do it using shell script as i explain to you. I think that the better
way to do it is to put your data and their value in a file.
With grep and cut command you can do it easily.

Just my two cents.

Good luck.


Alexis Henry
Banque Nationale de Paris.





Internet

NEWMANGJ@banksa.com.au on 08/08/2000 01:39


Veuillez répondre à nv-l@tkg.com 

Pour :    nv-l
cc :
ccc : Alexis Henry
Objet :   [NV-L] Réf. : [NV-L] Re: Réf. : [NV-L] Global Variable Names



Alexis

Thanks again for your reply.

Yes, I want to create a global variable in the rules with the name of the
variable being the contents of $NVATTR_3 ie the name of the device that is down.
The reason for this is that I want to be able to keep a variable for each device
that is currently down.

Cheers - Gavin

>>> <alexis.henry@bnpparibas.com> 07/08/2000 17:03:55 >>>
Yes my trick is to be done in a shell script.
If i understand the matter i don't see how to do it otherwise.

Let me ask a question so i can be sure i understand you: do you want to set a
variable whose name is the value of $NVATTR_3 ? If so i don't see any other way
to do it. If you don't want to write a shell script you can do it on one line in
an action node an try to export this data. I don't know if that will work.

I will try to do it.

As soon as i am successful i will mail the way to do it to you.

Alexis




Internet

NEWMANGJ@banksa.com.au on 07/08/2000 01:51


Veuillez répondre à nv-l@tkg.com 

Pour :    nv-l
cc :
ccc : Alexis Henry
Objet :   [NV-L] Re: Réf. : [NV-L] Global Variable Names



Alexis

Does your trick refer to doing it in a shell script?? What I want to do is
establish the variable in the actual rule - is in the Set Global Variable node I
want to create a variable that takes the name of the device that the event
refers to and then assign a value for it.

Cheers - Gavin

>>> <alexis.henry@bnpparibas.com> 04/08/2000 16:58:06 >>>

Hi Gavin !

There is a trick to do so but it is quite a strange way to do it.
If i understand well you should do it this way:

echo $var | read $(echo $NVATTR_3).
(let assume that "var" is the data you want to set in what you named $$NVATTR_
3)


I explain: "read" is an Aix command that set a data with a stream comming from
<STDIN> wich name is the first argument in the command line.
Here i do $(echo $NVATTR_3) so the shell return "fred" because $NVATTR_3 is
"fred"

So:    echo $var | read $(echo $NVATTR_3)   ==>  echo $var | read fred
Then if you run "echo $fred" you will see the value  in "var".
The $fred data now exists.

Alexis Henry
Banque Nationale de Paris.







NEWMANGJ@stgeorge.com.au on 04/08/2000 04:31:22

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Objet :   [NV-L] Global Variable Names



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