Hi,
I have a ksh script I would like to modify.
What I need it to do is look at an ever changing log file and print the 3rd to last line. Is there a command that will display this? I can not use line numbers because the file is always growing.
Thanks for any help (2 Replies)
Friends,
I have .txt file with 3 millions of rows.
File1.txt
ABC1|A|ABCD1|XYZ1
ABC2|P|ABCD2|XYZ2
ABC3|A|ABCD3|XYZ3
ABC4|P|ABCD4|XYZ4
If second field has value P then print the entire line.
Thanks in advance for your help,
Prashant (4 Replies)
Hi all,
I got several lines line this
a b c d e 1 e
a 1 c d e 3 f
a b c 1 e 8 h
a b c d e 1 w
a 1 c d e 2 w
a b c d e 1 t
a b c d e 7 4
How can I print the line if 1 is the field one before the last field?
Basicly this 2 field ?
a b c d e 1 e
a b c d e 1 t
The file I got is... (7 Replies)
How can i awk/sed to print the last line of an recurring pattern on the 3rd field?
Input lines:
123456.1 12 1357911 11111.1 01
123456.2 12 1357911 11111.2 02
123456.3 12 1357911 11111.3 03
123456.4 12 1357911 11111.4 04
123456.5 12 1357911 11111.5 05
246810.1 12 1357911 22222.1 01... (4 Replies)
need a one liner to compare 2nd and 3rd field and print values that are not matched in 2nd field
Input
col 2 col 3
1.1.1.1 11.11.11.11
8.8.8.8 0.0.0.0
3.3.3.3 2.2.2.2
7.7.7.7 3.3.3.3
5.5.5.5 1.1.1.1
4.4.4.4
6.6.6.6
9.9.9.9
output
7.7.7.7 ... (12 Replies)
Hi ,
I have been trying to write a perl script to do this job. But i am not able to achieve the desired result. Below is my code.
my $current_value=12345;
my @users=("bob","ben","tom","harry");
open DBLIST,"<","/var/tmp/DBinfo";
my @input = <DBLIST>;
foreach (@users)
{
my... (11 Replies)
im trying to get
awk to print the string between 3rd and 4th backslashs to end of line
test could be any word
this
http://example.com/test/ >to this
http://example.com/test/ > testalso the other way round insert string at end of line... (13 Replies)
Discussion started by: bob123
13 Replies
LEARN ABOUT REDHAT
net::dns::question
Net::DNS::Question(3) User Contributed Perl Documentation Net::DNS::Question(3)NAME
Net::DNS::Question - DNS question class
SYNOPSIS
"use Net::DNS::Question"
DESCRIPTION
A "Net::DNS::Question" object represents a record in the question section of a DNS packet.
METHODS
new
$question = Net::DNS::Question->new("example.com", "MX", "IN");
Creates a question object from the domain, type, and class passed as arguments.
qname, zname
print "qname = ", $question->qname, "
";
print "zname = ", $question->zname, "
";
Returns the domain name. In dynamic update packets, this field is known as "zname" and refers to the zone name.
qtype, ztype
print "qtype = ", $question->qtype, "
";
print "ztype = ", $question->ztype, "
";
Returns the record type. In dymamic update packets, this field is known as "ztype" and refers to the zone type (must be SOA).
qclass, zclass
print "qclass = ", $question->qclass, "
";
print "zclass = ", $question->zclass, "
";
Returns the record class. In dynamic update packets, this field is known as "zclass" and refers to the zone's class.
print
$question->print;
Prints the question record on the standard output.
string
print $qr->string, "
";
Returns a string representation of the question record.
data
$qdata = $question->data($packet, $offset);
Returns the question record in binary format suitable for inclusion in a DNS packet.
Arguments are a "Net::DNS::Packet" object and the offset within that packet's data where the "Net::DNS::Question" record is to be stored.
This information is necessary for using compressed domain names.
COPYRIGHT
Copyright (c) 1997-2002 Michael Fuhr. All rights reserved. This program is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.
SEE ALSO perl(1), Net::DNS, Net::DNS::Resolver, Net::DNS::Packet, Net::DNS::Update, Net::DNS::Header, Net::DNS::RR, RFC 1035 Section 4.1.2
perl v5.8.0 2002-10-12 Net::DNS::Question(3)