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I changed the approach a little bit. I noticed I don't actually need to kill tshark in order to stop the capture.

I have the following Diameter input:

host:~/work/regression$ sudo script -q -c...

Unfortunately filtering offline it's not an option as well. The whole point is to model an ongoing scenario and that has to happen in real time.

As I said I'm open to any solution so I don't need...

Thank you, Yoda! Autostop condition as implemented by tshark is not an option. The messages can be quite different in size so I can't rely on size. All I'm interested in is the message type (e.g....

I need to stop capturing after a specified number of Diameter messages have been received. I tried using tshark but -c <capture packet count> option is not what I need.
Any idea how I can do that?...

processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 47
model name : AMD Athlon(tm) 64 Processor 3000+
stepping : 2
cpu MHz : 1808.829...

I would like to allow only one instance of a script to run at any moment.

I've tried the following solution to count the instances but the result is always the number of running instances plus one...

Ygor, you're right. Thank you.
Here is how I solved the problem:


tr -dc "[:alnum:][:space:][:punct:]"

I'm sorry. The 'printing characters' are those ones with hex codes between 20 and 7E (inclusive) plus tab, carriage return, line feed. The others are the 'non-printing characters'.

Ygor, your...

mbb, thank you for your answer.

For me 'non-printing characters' are the characters with hex codes between 20 and 7E (inclusive) plus tab, carriage return, line feed (see www.asciitable.com...

How can I remove all the non printing characters from a file? I've tried using sed but I can't figure out how ! (change all but...) works with the substitute command.

I know how to do it in perl...

How can I test if a file is opened by a process?

I have the following situation: a process (suppose I don't know anything about it) writes data into a file very very slowly. I want to copy the...

My U10 works fine with two 40GB mirrored HDDs.

Thank you guys!

I've found the supported disks list for U10 at http://sunsolve.sun.com/handbook_pub/Systems/U10/components.html (http://) and there is no 40GB supported drive.

I can take a 40GB drive from my PC...

How can I check if a Sun Ultra 10 workstation supports 40GB IDE drives?

Thanks!

Please give me the names of some TOTALLY FREE Linux distributions and MS Office like applications suites for Linux.

Thanks!

thank you very much! it really worked but what's the explanation?

try using perl

hi!

i have two problems with the following script who prepares a date (removes the heading zero from day if day<10) for arithmetical operations:

<script>
#!/usr/bin/sh

DAY=`date +%d`;
echo...