Top Forums UNIX for Beginners Questions & Answers How to find the count of IP addresses that belong to different subnets and display the count? Post 303039314 by Yoda on Monday 30th of September 2019 04:21:55 PM
Old 09-30-2019
Using awk:-
Code:
awk '
        NF {
                SN = $0
                sub(/\.[^.]*$/,X,SN)
                ++A[SN]
        }
        END {
                for ( k in A )
                        print k ".X", "Occurrences:", A[k]
        }
' file

 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Display the count of files

I am new to shell programming. Can anyone help me out with anyone of these? Display a count of the number of regular files, the number of symbolic links, the number of sub-directories, the number of block-special files, and the number of character-special files in the directory. I don't... (4 Replies)
Discussion started by: wayne1411
4 Replies

2. UNIX for Dummies Questions & Answers

IPv4 addresses: count/output and Awk/Sed

Hi forum. I am fairly new to scripting and use a simple script to process e-mails for my work. These e-mails contain a list of IPv4 IPs that I process and seperate into text files, which are then attached to a larger, 'digest' e-mail. I also put some of the output from the text files into the... (4 Replies)
Discussion started by: laebshade
4 Replies

3. Shell Programming and Scripting

How to display and count

Hi there, I'd like to find a way to display a string and count the words in it. supernova:~# echo 'hello world' | tee - | wc Unfortunately, this doesn't work. Any idea? Thanks in advance. Santiago (15 Replies)
Discussion started by: chebarbudo
15 Replies

4. Shell Programming and Scripting

d. Write a shell script to count the number of accounts which belong to particular primary

guys, I am new shelll scripting.. this a question on passt exam paper, I was trying to solve it , I can not. the question is as follow? a. Write a shell script to count the number of accounts which belong to particular primary group in a standard UNIX system which uses local... (1 Reply)
Discussion started by: gurmad
1 Replies

5. Shell Programming and Scripting

count identical strings print last row and count

I have a sorted file like: Apple 3 Apple 5 Apple 8 Banana 2 Banana 3 Grape 31 Orange 7 Orange 13 I'd like to search $1 and if $1 is not the same as $1 in the previous row print that row and print the number of times $1 was found. so the output would look like: Apple 8 3 Banana... (2 Replies)
Discussion started by: dcfargo
2 Replies

6. Shell Programming and Scripting

Read File and Display The Count of a particular field

Hi Mates, I require help in the following: I have the following file snmp.txt Wed Mar 2 16:02:39 SGT 2011 Class : mmTrapBladeS origin : 10.0.0.0 hostname : 10.0.0.2 msg : IBM Blade Alert: Calendar Index : 10.0.0.2-IBMBLADE Fri Mar 4 07:10:54 SGT 2011 Class : mmTrapBladeS... (2 Replies)
Discussion started by: dbashyam
2 Replies

7. UNIX for Dummies Questions & Answers

Single UNIX command to display users and to count them

Hello everyone, I am new to Unix and I am stuck with a problem. I need only a single command to display the output of who and then add the total number of users and display at the bottom of that output. Example-: (Expected output) sreyan@debian:~$ <command> sreyan tty7 ... (7 Replies)
Discussion started by: sreyan32
7 Replies

8. Shell Programming and Scripting

Compare file1 header count with file2 line count

What I'm trying to accomplish. I receive a Header and Detail file for daily processing. The detail file comes first which holds data, the header is a receipt of the detail file and has the detail files record count. Before processing the detail file I would like to put a wrapper around another... (4 Replies)
Discussion started by: pone2332
4 Replies

9. Programming

SQL*PLUS How to display a count of 0

Hi, I have been frantically googling and checking some sqlplus forums, but can't find the correct syntax. Basically within sqlplus I want to do a count on a table and if the count is 0 it displays 0 instead of "no rows found". For eample: select count(*) from tableA where... (3 Replies)
Discussion started by: chris01010
3 Replies

Featured Tech Videos

All times are GMT -4. The time now is 05:25 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy