1. UNIX for Dummies Questions & Answers

Hi Can anyone tell me how to pad zeroes on the left side to a numeric string in unix shell scripting Your answer is very much appreciated Thanks Vijay (2 Replies)

2. Programming

Hi, Can someone explain what is byte padding? For ex: struct emp{ char s; int b; char s1; int b1; long b3; char s3; } What will be the size of this structure? Thanks (6 Replies)

3. UNIX for Dummies Questions & Answers

Hello, Here is my problem. there are two files. first.txt <<< contains email address ====== abc@mail.com abd@mail.com abe@mail.com second.txt <<< contains webpage links ======== http//www.test.com/abc/index.html http://www.test.com/abd/index.html http://www.test.com/abe/index.html... (2 Replies)

4. Shell Programming and Scripting

Hi Friends, I would like to left pad with "0's" on first column say (width six) I have a large file with the format: FILE: 1: ALFRED 84378 NY 8385: JAMES 88385 FL 323: SMITH 00850 TX My output needs to be like: 000001: ALFRED 84378 NY 008385: JAMES 88385 FL 000323: SMITH... (10 Replies)

5. Shell Programming and Scripting

Trying to do a ksh script that needs to list all ip address between ip address a and b .. ie. Ip address A=192.168.1.200 Ip address B=192.168.2.15 So the subnet changes from 1 to 2 but I want to list all possible ip addresses between the 2.. Which would be: 192.168.1.200... (4 Replies)

6. Shell Programming and Scripting

I have two files: file1: 41.138.128.0 41.138.159.255 location 41.138.160.0 41.138.191.255 location 41.138.192.0 41.138.207.255 location 41.138.208.0 41.138.223.255 location 41.138.224.0 41.138.239.255 location 41.138.240.0 41.138.255.255 location 41.138.32.0 ... (7 Replies)

7. UNIX for Dummies Questions & Answers

Hello, I got a list of IP address from which I would like to remove the duplicates. I cat the file and pipe it to uniq -u or uniq -c, I got the same output with all the duplicates. Can anybody please tell me how I can remove the duplicates IPs from this file? This is what I used. cat filename |... (3 Replies)

8. Cybersecurity

Hi all, I want to make this nw diagram: Small NW ---(eth1)-- Linux iptables --(eth0)---LAN NW And with these requirements: 1. Allow only 1 Mac address aa-aa-aa-aa-aa-aa from Small NW to LAN NW 2. Allow list of Mac addresses from LAN NW access to Small NW What will I... (2 Replies)

9. Shell Programming and Scripting

I have been struggling with a script to automate some security related activities. I have it pretty much working, all except the search. I have an input file formatted as such: 216.234.246.158 216.234.246.158 `` 24.249.221.22 24.249.221.200 `` 24.249.226.0 ... (4 Replies)

10. Shell Programming and Scripting

Hi I have a file containing server names and i can ssh to all these servers without password. Could any body suggest me how to list out IP address of all the servers? Now i am manually doing this, like ssh to each server and run "ifcong -a" command and copy the ipaddress to a excel sheet.... (5 Replies)