Hi all,
I have a problem in handling files through C.
here is the problem im having:
i will query the database (for instance consider employees table )
for empno,ename,job,salary fields.The query returns me some 100 of rows. now i need to place them in a file in row wise pattern as they... (3 Replies)
sir i have to get first line from a file
for example
>cat file1
abc
zxc
asd
adsf
from that file1 i need only first line
expected result
>abc
please help me ! (1 Reply)
I have been doing automation of daily check activity for a server, i have been using sqls to retrive the data and while loop for reading the data from the file for several activities. BUT i got a show stopper the below one.. where the data is getting store in $temp_file, but not being read by while... (1 Reply)
Hi,
I am trying to write a script to cleanup files in a log directory ..
cd log
find Datk** -mtime +7 -exec rm -f {} \; 2> /dev/null
Have used the above to clean up files in log directory more then 7 days older.
The file can be something like ( auto-generate by some processes and... (2 Replies)
I have a huge file semicolon( ; ) separated records are Pipe(|) delimited.
e.g
abc;def;ghi|jkl;mno;pqr|123;456;789
I need to replace the 50th field(semicolon separated) of each record with 9006. The 50th field can have no value e.g. ;;
Can someone help me with the appropriate command. (3 Replies)
I have a single record large file, semicolon ';' and pipe '|' separated. I am doing a vi on the file. It is throwing an error "File to long"
I need to actually remove the last | symbol from this file.
sed -e 's/\|*$//' filename
is working fine for small files. But not working on this big... (13 Replies)
Hi Team,
I am trying to cut a large file into multiple files. It has
Header
50,050 records
Trailer
-------------------------------------------
I need to cut the files into multiple files of 1000 records and should have the same header and trailer as the original files.
... (4 Replies)
Dear all,
My work is completely stuck cos of the following issue. Please find it here and kindly help me.
Task is following:
I have set of files with such pattern
1t-rw-rw-r-- 1 emily emily 119 Jun 11 10:45 vgtree_5_1_pfs.root
3t-rw-rw-r-- 1 emily emily 145 Jun 11 10:46 vgtree_5_3_pfs.root... (4 Replies)
Below is my script that works fine and prints the desired output:
#!/bin/ksh
echo "$1" |
while IFS= read -r dirpath
do
echo "DIRR_PATH:$dirpath"
install_dir=$install_dir" "$dirpath
done
echo "Desired Output:$install_dir"
Output:
./loopissue.sh... (10 Replies)
Hi All,
I need to extract the data from the text file. The data of the text file is shown below
#L 0.000017 4.329939 0.000017 4.716267 r7.9 P 1 1;Net=IN32
The extracted data should be IN32. Could anyone help to script in c shell.? (4 Replies)
Discussion started by: gopishrine
4 Replies
LEARN ABOUT REDHAT
net::dns::header
Net::DNS::Header(3) User Contributed Perl Documentation Net::DNS::Header(3)NAME
Net::DNS::Header - DNS packet header class
SYNOPSIS
"use Net::DNS::Header;"
DESCRIPTION
A "Net::DNS::Header" object represents the header portion of a DNS packet.
METHODS
new
$header = Net::DNS::Header->new;
$header = Net::DNS::Header->new($data);
Without an argument, "new" creates a header object appropriate for making a DNS query.
If "new" is passed a reference to a scalar containing DNS packet data, it creates a header object from that data.
Returns undef if unable to create a header object (e.g., if the data is incomplete).
print
$header->print;
Dumps the header data to the standard output.
string
print $header->string;
Returns a string representation of the header object.
id
print "query id = ", $header->id, "
";
$header->id(1234);
Gets or sets the query identification number.
qr
print "query response flag = ", $header->qr, "
";
$header->qr(0);
Gets or sets the query response flag.
opcode
print "query opcode = ", $header->opcode, "
";
$header->opcode("UPDATE");
Gets or sets the query opcode (the purpose of the query).
aa
print "answer is ", $header->aa ? "" : "non-", "authoritative
";
$header->aa(0);
Gets or sets the authoritative answer flag.
tc
print "packet is ", $header->tc ? "" : "not ", "truncated
";
$header->tc(0);
Gets or sets the truncated packet flag.
rd
print "recursion was ", $header->rd ? "" : "not ", "desired
";
$header->rd(0);
Gets or sets the recursion desired flag.
cd
print "checking was ", $header->cd ? "not" : "", "desired
";
$header->cd(0);
Gets or sets the checking disabled flag.
ra
print "recursion is ", $header->ra ? "" : "not ", "available
";
$header->ra(0);
Gets or sets the recursion available flag.
rcode
print "query response code = ", $header->rcode, "
";
$header->rcode("SERVFAIL");
Gets or sets the query response code (the status of the query).
qdcount, zocount
print "# of question records: ", $header->qdcount, "
";
$header->qdcount(2);
Gets or sets the number of records in the question section of the packet. In dynamic update packets, this field is known as "zocount" and
refers to the number of RRs in the zone section.
ancount, prcount
print "# of answer records: ", $header->ancount, "
";
$header->ancount(5);
Gets or sets the number of records in the answer section of the packet. In dynamic update packets, this field is known as "prcount" and
refers to the number of RRs in the prerequisite section.
nscount, upcount
print "# of authority records: ", $header->nscount, "
";
$header->nscount(2);
Gets or sets the number of records in the authority section of the packet. In dynamic update packets, this field is known as "upcount" and
refers to the number of RRs in the update section.
arcount, adcount
print "# of additional records: ", $header->arcount, "
";
$header->arcount(3);
Gets or sets the number of records in the additional section of the packet. In dynamic update packets, this field is known as "adcount".
data
$hdata = $header->data;
Returns the header data in binary format, appropriate for use in a DNS query packet.
COPYRIGHT
Copyright (c) 1997-2000 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::Question, Net::DNS::RR, RFC 1035 Section 4.1.1
perl v5.8.0 2002-10-12 Net::DNS::Header(3)