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Hi otheus,

many thanks for your reply.

Unfortunately I'm working on Solaris with standard sysV vi :mad:
The ":set encoding ..." command is not available.
And therefore the sequence "CTRL-V u...

How to add characters (not on the keyboard) with vi to a file?

Example:
How can I enter the copyright sign (UTF-8-Codetable: 169) with vi?

There are two type of startup-files:
- user depending in home-dir of user (e.g. $HOME/.profile)
- system-wide (valid for all users) (e.g. /etc/profile)

user depending login-startup files (like...

Hi ripat!

Many, many thanks for your excellent help!
Your regexp is working perfectly!

Regards
Desertchannel

Unfortunately, I found another example where it is not working :-(
I guess it is a never ending story :-(

Following two example are matched, but they shouldn't as they are not valid IPs:

Hi ripat,

BRILLIANT! Thanks so much!

Your pattern is working (I guess you missed the NOT^ at the beginning of [.0-9]: [^.0-9] instead of [.0-9]):...

Hi ripat,

THANKS A LOT! Nearly there :-))

I consider the whole range of IPs as valid IP (0-255.0-255.0-255.0-255).

The only problem left (which I can see currently) is that your regexp is...

try it with printf instead of print:
main difference is that printf does not automatically supply a newline:

awk -v n=4 'BEGIN{FS=OFS="|"}{for(i=1;i<=NF;i++)if(index($i,".")>n)printf $i}' file1

Hi ripat,

thanks for your reply, but this is unforunately not working as you asume that the IP address is the only information in the line (^....$).

Here is my testfile:
1. Yes 123.25.67.8...

Hi all Unix Gurus!

Since hours (even days :-)) I'm trying to find the correct pattern to search for IP addesses in text files.
The pattern to find a IP address itself is not too difficult:...