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How set filter netstat -an | grep -P '\:'38''

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Top Forums Shell Programming and Scripting How set filter netstat -an | grep -P '\:'38''
# 1  
Old 09-02-2011
Network How set filter netstat -an | grep -P '\:'38''
Hi,

I can write sh script for Linux platform
I run:
Code:
netstat -an | grep -P '\:'38''| grep ESTABLISHED

but result:

Code:
[root@om910 install]# netstat -an | grep -P '\:'38''| grep ESTABLISHED
tcp        0      0 172.16.1.107:383            172.16.1.81:49981           ESTABLISHED
tcp        0      0 127.0.0.1:18170             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:10555             ESTABLISHED
tcp        0      0 127.0.0.1:10555             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:10329             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:10329             ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:47234             ESTABLISHED


It is not good, because i need to receive only 38 number. How provide it? Thanks
Last edited by pludi; 09-02-2011 at 01:45 PM..
# 2  
Old 09-02-2011
Might this help
Code:
$ netstat -an | grep ":38$" | grep ESTABLISHED

# 3  
Old 09-05-2011
hm...
but port 383 dosn't displayed
Code:
[root@om910 ~]# netstat -an | grep ":383$" | grep ESTABLISHED
[root@om910 ~]#

Last edited by Franklin52; 09-05-2011 at 06:31 AM.. Reason: Please use code tags for code and data samples, thank you
# 4  
Old 09-05-2011
Code:
 
$ nawk ' $4~/:38$/ || $5~/:38$/ {print $0}' test
tcp        0      0 127.0.0.1:10329             127.0.0.1:38               ESTABLISHED
tcp        0      0 127.0.0.1:38               127.0.0.1:47234             ESTABLISHED
tcp        0      0 127.0.0.1:38               127.0.0.1:47234             ESTABLISHED
 
$ cat test
tcp        0      0 172.16.1.107:383            172.16.1.81:49981           ESTABLISHED
tcp        0      0 127.0.0.1:18170             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:10555             ESTABLISHED
tcp        0      0 127.0.0.1:10555             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:10329             127.0.0.1:38               ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:10329             ESTABLISHED
tcp        0      0 127.0.0.1:38               127.0.0.1:47234             ESTABLISHED
tcp        0      0 127.0.0.1:38               127.0.0.1:47234             ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:47234             ESTABLISHED

so, in your case, you need the below command

Code:
 
netstat -an | nawk ' $4~/:38$/ || $5~/:38$/ {print $0}'

# 5  
Old 09-05-2011
Ok, but I don't have nawk, I run awk and follow:
Code:
[root@om910 ~]# netstat -an | awk ' $4~/:383$/ || $5~/:383$/ {print $0}'
tcp        0      0 0.0.0.0:383                 0.0.0.0:*                   LISTEN
tcp        0      0 172.16.1.107:383            172.16.1.81:49981           ESTABLISHED
tcp        0      0 127.0.0.1:18170             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:10555             ESTABLISHED
tcp        0      0 127.0.0.1:10555             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:10329             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:10329             ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:47234             ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:47236             ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:59280             ESTABLISHED
tcp        0      0 127.0.0.1:59290             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:59292             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:59280             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:59290             ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:59292             ESTABLISHED
tcp        0      0 172.16.1.107:55956          172.16.1.81:383             ESTABLISHED
tcp        0      0 172.16.1.107:55904          172.16.1.81:383             ESTABLISHED
tcp        0      0 127.0.0.1:47236             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:47234             127.0.0.1:383               ESTABLISHED
tcp        0      0 127.0.0.1:383               127.0.0.1:18170             ESTABLISHED
tcp        0      0 172.16.1.107:383            172.16.1.80:2106            ESTABLISHED
tcp        0      0 172.16.1.107:31380          172.16.1.80:383             ESTABLISHED
tcp        0      0 172.16.1.107:51517          172.16.1.80:383             ESTABLISHED
tcp        0      0 172.16.1.107:51523          172.16.1.80:383             ESTABLISHED
tcp        0      0 172.16.1.107:56111          172.16.1.80:383             ESTABLISHED

Last edited by Franklin52; 09-05-2011 at 06:31 AM.. Reason: Please use code tags for code and data samples, thank you
# 6  
Old 09-05-2011
Is this expected result ?

or you want only the ESTABLISHED ?

Code:
netstat -an | awk ' $4~/:383$/ || $5~/:383$/ {if($NF~/ESTABLISHED/)print $0}'

# 7  
Old 09-05-2011
Yes,
Can I provide expected result command grep or only awk?

Thank you!
Have a nice day!
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