Assuming multiple lines, that might not all have host data, and making it a bit simpler:
If you need the hostname contained within < and > in the output, remove those characters from the substitution pattern.
mvijayv's example was basically doing the same thing, but using more processes than necessary. First awk set the field separator to = and printed the 7th field ($). Second awk set the field separater to close paren and printed the first field. Then the output was passed through sort and unique to sort the list and remove duplicates.
Last edited by agama; 11-12-2010 at 07:47 PM..
Reason: clarification
I am defining an awk function (Solaris v8 ksh) of:
function firstletter {
echo "$line" | awk '{get=substr($1,1,1);print get}' | read FL
}
I am starting a wile loop with a:
for line in `cat inputfile.lst`
When I call the function from within the for loop it works great fine. From within... (4 Replies)
hi everybody!
i need to read a specific line from a text file using C. can any one suggest how to do it.
i m aware abt fread(), fwrite(), fseek()... but using these allows the pointer to be moved 1 character at a time. Is there a way i could jump directly to a line if i know the line number?... (4 Replies)
Hi,
Normally, I will manually to use "ll" command to list the following file from \FILE\CACHE\ directory and check the jump seq. Can I write a script to loop or/and check jump seq file (if jumped seq and show "missing seq no" message for me)
-rw-rw----+ 1 user develop 14012 Sep 4... (1 Reply)
hi all,
Ive been trying to find some way of doing this for ages but i have is a shell script that activates a python search and there it no tab completion. more familliar with tcsh at the moment but i'm a newbe.
i was trying to make an easy way to browse to a list of working directories.
... (0 Replies)
Hi,
I have an output file which has more than 1,000,000,000 lines. I am accessing this file in another C++ program. Now while accessing the output file using cin, I want to jump, say, to the 5,000,000th line directly and start accessing data from there. Is this possible? Could someone please... (4 Replies)
So, I want to read line-by-line a text file with unknown number of files....
So:
a=1
b=1
while ; do
b=`sed -n '$ap' test`
a=`expr $a + 1`
$here do something with b etc
done
the problem is that sed does not seem to recognise the $a, even when trying
sed -n ' $a p'
So, I cannot read... (3 Replies)
Hi all,
I currently run an OpenSolaris (b134) server at home for share media between a few computers (all Macs at the moment). I use ZFS to mirror a couple of disks and have a couple of SMF manifests.
My background is as a user of OS X and as a user of (Open)Solaris with formal training in... (7 Replies)
Hi All,
I'm trying to figure out which are the trusted-ips and which are not using a script file.. I have a file named 'ip-list.txt' which contains some ip addresses and another file named 'trusted-ip-list.txt' which also contains some ip addresses. I want to read a line from... (4 Replies)
Hi, (I am not too good in command-lines).
I am running a bash script and at some point my loop starts to run super quickly. Then, the steps after do not get processed and there is no further outpout generated. I tried with the sleep 20s option, as I thought some steps would get overlapped, but... (22 Replies)
DPKG-RUBY(1) General Commands Manual DPKG-RUBY(1)NAME
dpkg-ruby - Utility to read a dpkg style db file, dpkg-awk clone
SYNOPSIS
dpkg-ruby [(-f|--file) filename] [(-d|--debug) ##] [(-s|--sort) list] [(-n|--numeric) list] [(-rs|--rec_sep) ??] '<fieldname>:<regex>' ...
-- <out_fieldname> ..
DESCRIPTION
dpkg-ruby Parses a dpkg status file(or other similarly formated file) and outputs the resulting records. It can use regex on the field
values to limit the returned records, and it can also be told which fields to output. As another option, it can sort the matched fields.
OPTIONS -f filename
--file filename
The file to parse. The default is /var/lib/dpkg/status.
-d [#]
--debug [#]
Each time this is specified, it increased the debug level.
-s field(s)
--sort field(s)
A space or comma separated list of fields to sort on.
-n field(s)
--numeric field(s)
A space or comma separated list of fields that should be interpreted as numeric in value.
-rs ??
--rec_sep ??
Output this string at the end of each output paragraph.
-h
--help Display some help.
fieldname
The fields from the file, that are matched with the regex given. The fieldnames are case insensitive.
out_fieldname
The fields from the file, that are outputted for each record. If the first field listed is begins with ^, then the list that fol-
lows are fields NOT to be outputted.
BUGS
Be warned that the author has only a shallow understanding of the dpkg packaging system, so there are probably tons of bugs in this pro-
gram.
This program comes with no warranties. If running this program causes fire and brimstone to rain down upon the earth, you will be on our
own.
This program accesses the dpkg database directly in places, querying for data that cannot be gotten via dpkg.
AUTHOR
Fumitoshi UKAI <ukai@debian.or.jp>. This manual page are based on (or almost copy from :) dpkg-awk(1) manual written by Adam Heath <doo-
gie@debian.org>
DEBIAN Debian Utilities DPKG-RUBY(1)