Sponsored Content
Full Discussion: ip range addresses
Top Forums Shell Programming and Scripting ip range addresses Post 302431350 by Scrutinizer on Monday 21st of June 2010 04:10:18 PM
Old 06-21-2010
Hi, i modified the awk to make it more universal. It does not take netmasks into account or anything so it includes broadcast addresses for instance.
Code:
awk 'NR==1{split($1,A,".")}
     NR==2{split($1,B,".")}
     END  {for(i=A[1];i<=B[1];i++)
             for(j=A[2];j<=((i==B[1])?B[2]:255);j++)
               for(k=A[3];k<=((j==B[2])?B[3]:255);k++)
                 for(l=A[4];l<=((k==B[3])?B[4]:255);l++)
                   print i"."j"."k"."l}' infile


Last edited by Scrutinizer; 06-21-2010 at 05:16 PM..
 

10 More Discussions You Might Find Interesting

1. IP Networking

Finding IP Addresses

Is there anyway to tell what my NT IP is while logging into my UNIX box. I have users accessing our NT network and then telneting into our Unix Box. I would like to restrict access somehow. My who commands only returns the users name and pts device which changes. (1 Reply)
Discussion started by: golfs4us
1 Replies

2. IP Networking

ip addresses

this might sound corny but i need help finding out about finding a persons ip address can u halp? and another question what the hell does ping mean??? thank u. (2 Replies)
Discussion started by: dragonslayer100
2 Replies

3. IP Networking

Ip Addresses

I'm not exactly sure what I can do with IPs... my friend won't tell me(don't ask me why, I figure it's cause he doesn't know either, hehe). I'm curious as to what theya re used for other than networking computers... if there IS any other purpose or use for them. That's all. --Evil_d00d (4 Replies)
Discussion started by: evil_d00d
4 Replies

4. Programming

memory addresses

where is addresses(what kind of memory) like this one "df605d50". I want to print address of locan variable: printf("&i - %p", &i); and I have &i - df605d50. (0 Replies)
Discussion started by: Paravozzz
0 Replies

5. Programming

memory addresses

you have three variables of type char, int and float in continous memory locations. How do you print the contents of each of these.??? Thanks in advance. (0 Replies)
Discussion started by: areef4u
0 Replies

6. Programming

LInear Addresses

Hi all, Even after reading many explanation the question still haunting me what's the difference between physical and linear addresses.Can we directly access physical addresses .If not then paging circuitry would have ensure contiguous physical addresses regardless of any linear addresses but this... (2 Replies)
Discussion started by: joshighanshyam
2 Replies

7. UNIX and Linux Applications

email addresses

Greetings to all. I have installed dadamail on my web site and it works extremely well. I have two questions: 1. I have modified dada to bounce bad emails, but only the first newsletter will use the modifications. If I create another list, it doesn't use the modification. What gives? 2. Are... (0 Replies)
Discussion started by: okbrowder
0 Replies

8. UNIX for Dummies Questions & Answers

Different ip addresses

Hello! I have logged in using Putty into another machine 'tele'. The ip address which i used to login to 'tele' is 192.168.1.3. Now while at 'tele' when i run "#ifconfig -a" i get the same ip address i.e, 192.168.1.3. But when i run "#arp tele" it gives the output: tele (10.143.128.8) ... (9 Replies)
Discussion started by: suhail.sadaqat
9 Replies

9. Shell Programming and Scripting

Extract IP addresses

The only way I could extract the user names and 'from' IP addresses is to use a few temp files. Split up by 'Failed keyboard-interactive' and 'Failed password'. Anyone have any idea to do this all in one go? aaa.bbb.ccc.ddd 2009-03-23 01:28:33 sshd: Failed keyboard-interactive/pam... (2 Replies)
Discussion started by: hazno
2 Replies

10. Shell Programming and Scripting

print range between two patterns if it contains a pattern within the range

I want to print between the range two patterns if a particular pattern is present in between the two patterns. I am new to Unix. Any help would be greatly appreciated. e.g. Pattern1 Bombay Calcutta Delhi Pattern2 Pattern1 Patna Madras Gwalior Delhi Pattern2 Pattern1... (2 Replies)
Discussion started by: joyan321
2 Replies
Number::Range(3pm)					User Contributed Perl Documentation					Number::Range(3pm)

NAME
Number::Range - Perl extension defining ranges of numbers and testing if a number is found in the range. You can also add and delete from this range. SYNOPSIS
use Number::Range; my $range = Number::Range->new("-10..10,12,100..120"); if ($range->inrange("13")) { print "In range "; } else { print "Not in range "; } $range->addrange("200..300"); $range->delrange("250..255"); my $format = $range->range; # $format will be '-10..10,12,100..120,200..249,256..300' DESCRIPTION
Number::Range will take a description of a range, and then allow you to test on if a number falls within the range. You can also add and delete from the range. RANGE FORMAT The format used for range is pretty straight forward. To separate sections of ranges it uses a "," or whitespace. To create the range, it uses ".." to do this, much like Perl's own binary ".." range operator in list context. METHODS new $range = Number::Range->new("10..20","25..30"); Creates the range object. It will accept any number of ranges as its input. addrange $range->addrange("22"); This will also take any number of ranges as input and add them to the existing range. delrange $range->delrange("10"); This will also take any number of ranges as input and delete them from the existing range. inrange $range->inrange("26"); my @results = $range->inrange("27","200"); This will take one or more numbers and check if each of them exists in the range. If passed a list, and in array context, it will return a list of 0's or 1's, depending if that one was true or false in the list position. If in scalar context, it will return a single 1 if all are true, or a single 0 if one of them failed. range $format = $range->range; @numbers = $range->range; Depending on context this will return either an array of all the numbers found in the range, for list context. For scalar context it will return a range string. size $size = $range->size; This will return the total number of entries in the range. EXPORT None by default. SEE ALSO
Number::Tolerant, Tie::RangeHash, and Array::IntSpan for similar modules. AUTHOR
Larry Shatzer, Jr., <larrysh@cpan.org> COPYRIGHT AND LICENSE
Copyright (C) 2004-12 by Larry Shatzer, Jr. This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2012-06-20 Number::Range(3pm)
All times are GMT -4. The time now is 06:15 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy