Search Results

I have two files A and B listing ip addresses
and all the ip addresses in B are in A, and A includes other ip addresses
now I want to get the list of the ip addresses that are in A but not in B...

it works, thanks

oh, I'm not familiar with perl, if there is shell thats better.
let me try it first, thanks



---------- Post updated at 07:31 AM ---------- Previous update was at 07:18 AM ----------

thanks...

do you notice these two lines, the 3rd and the 7th lines

Host: 74.82.42.42 (ordns.he.net) Ports: 22/open/tcp//tcpwrapped///, 53/open/tcp//domain//PowerDNS 3.3/, ...

thanks, but maybe my explanation is not clear in the original post,
actually

the file is like this

# Nmap 5.51 scan initiated Wed Aug 22 18:42:27 2012 as: nmap -sS -P0 -O -sV -oN log -oX...

the file is like this

# Nmap 5.51 scan initiated Wed Aug 22 18:42:27 2012 as: nmap -sS -P0 -O -sV -oN log -oX log.xml -oG log.grep -append-output 74.82.42.42
Host: 74.82.42.42 (ordns.he.net) ...

I have many lines like the following in a file(there are also other kinds of lines)

Host: 72.52.104.74 (tserv1.fmt2.he.net) Ports: 22/open/tcp//tcpwrapped///, 53/open/tcp//domain//PowerDNS 3.3/,...

in the file, different lines have different number of fields
how can you use

$ awk -F "\t" '{ print NF }' file2

?

can for each field, you haven't process the keyword




Use code...

I have many lines like the following in a file(there are also other kinds of lines)

Host: 72.52.104.74 (tserv1.fmt2.he.net) Ports: 22/open/tcp//tcpwrapped///, 53/open/tcp//domain//PowerDNS 3.3/,...

no , I need to do several processings for each line
not just use awk over each line

Hi, I want to read lines from a file, and I'm using two methods
1 use

while read line
do
done<filename


2 use

line=`sed -n '3p' filename`


however, in both of them, I notice that...

I want to use awk to split fields and put them into a file
but I don't know the number of fields
for example, in the following line


Ports: 22/filtered/tcp//ssh///, 53/open/tcp//tcpwrapped///,...

Hi, all, I have files like:

nameserver 216.66.22.2 ; tserv1.ash1.ipv6.he.net. tserv13.ash1.ipv6.he.net.
nameserver 216.66.38.58 ;...