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Thanks, you rule! :D but one last question i need in one word lets say it is $17 replace LINK to something else or in mac adress if it comes like this 00-00-00-00-00 - replace with : maby sub should...

very useful comand. How can i make it work with file? isit posible tu do that if in text are some keywords lets say Login OK: whan do the command if not no.
/Login OK:/ { }

Both works good. Thank you guys :b: Now the problem with the mac structure should be separated with : Is it posible to convert mac to xx:xx:xx:xx at the same command or i should look for something...

ok i understand start and end but what is LABEL$ and !p ?

Hi, i need to delete every thing ecept sentences between known prases lets say
i have


Thu Dec 4 08:28:57 2008 : Auth: Login OK: [vyce6220] (from client LINKSYS3 port 12 cli 001644fc4838)

...

i don't whant to create a new post, so i'll ask here. How to grep the lines containing sertain two or more words lets say i have:

Thu Dec 4 08:00:14 2008 : Auth: Login OK: [boda7805] (from client...

doesn't work omg i'm so $#!@ :D i'll try something with

sed 's#.*cli \(.*\)).*#\1#'

thanks i will try.

i do it in a remote server so it sakes time merging. Bus let's say it doesn't matter, but how i understand the radius time can differ from given acknoligment time (think the ack line is just what i...

First of all thanks for your reply, for taking it deeper and writing almost everything :}}} it helps me a lot.
New to perl but thats not a problem. The problem is that i can't run the first script i...

no ideas?

Hi, let say i have 2 log files(they are below) dhcp and radius. What i need is to put the information to a file just from good connections ( Auth: Login OK ) others just ignore. And the information...

thanks
sed -i "s/^\([a-zA-Z0-9]*\)/word/g" file
But where it says that replace just the first word in the every line. I now /g - global for each line, ^ - symbolizes the begining. [a-zA-Z0-9] -...

I'm sorry, but i'm curious about writting it usig set and awk, can enyone give me a hint how to begin?:confused:

thank you danmero!

#/bin/sh
while read firstword restofline
do
echo $firstword
firstword="word"
done < datafile.txt
#

This part just changes first words, how to glue the first word ant the rest of the...

Hello, i'm new with the scripting on unix and i need such script or maby something to that way:

I need to change the the first word in every new line to a given word. Using just /bin/sh ( not...