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thanks for your help and input guys,

what I need is to give the nslookup an IP address each time using a while loop (done)

and than, check if a host name was returned.. if it does then great!...

Thanks for that Ygor, I am really thankful for that.

thank you very much

Hi everyone,

how can I get the highlighted text only?

I am only concerned with the first line of the "AUTHORITY SECTION" (in red).

thank you in advance

Hi there,

I just want to know how can I redirect error msgs returned from running a command (e.g. nslookup) and then only print out the correct output using an if statement?.

I've tried the...

I get the ip addresses from a list.. and this is what makes it different from yours

I only get the list of ip addresses in a variable in a loop and that I suppose I should get the host names for...

here is the output of my nslookup version:



---------- Post updated at 06:53 PM ---------- Previous update was at 06:51 PM ----------



thanks for that, but it doesn't work all the time.....

the following:



where the IP address is obtaind from a variable in a loop,

Hi guys,

I'm back to get some help again :)

I have a file that has a list of IP addresses, and I use nslookup in my script to resolve hostnames of those IPs.

the problem I'm facing is that I...

m.d.ludwig,

I really can't find the word to thank you.. you are a lagend indeed...

many thanks

I think you are printing the whole line, while what I need is only printing the second column..

I've got 6 or so columns and there for I need to pick up the needed columns only.

nope, that didn't work.. actually it pulled everything out :P

yep, only the first changing value in the protocol is printed in addition to the file value on the same line.

Thanks for your interest sir,

the input file is an access log file that keeps hold of IPs, files access, and the the transmission protocol, and so on..

If I want an output that contains the...

thanks for the help guru,

unfortunely, it hasn't worked well.. as I got values in column $1 more than what $2 has

thanks for the help any way,, I really value that

---------- Post updated at...

Hi there,

If I have the following:



and want to print the first column based on the uniqe value of the second column, so the output would be something like:



how would I do that, using...

that was awsome and quick

Many thanks citaylor

Hi everyone,

suppose that I have the following line:

#test your knowledge

can I use AWK to print the word "test" only? without the #?

what should I change to this:

awk '{print $1}'
...