9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello All,
I have a file of ip addresses called activeips.txt
What I'm trying to do is run a simple bash script that has a loop in it. The loop is a cat of the IP addresses in the file.
The goal is to run 2 nmap commands to give me outputs where each address in the list has an OS... (11 Replies)
Discussion started by: Dirk_Pitt
11 Replies
2. Shell Programming and Scripting
Hello,
I am new to Linux and studying to become a Unix System Admin. I am taking a course in which I was practicing creating a bash script to ping a particular IP address. The script can be found below:
#/bin/bash
echo "Enter the IP address"
read ip
if
then
ping -c 1 $ip
if ;... (3 Replies)
Discussion started by: shah9250
3 Replies
3. Shell Programming and Scripting
same script:
1- i am using grep to find a string called: tinker panic 0 in a file /etc/ntp.conf
if the string is not there, i want to add the strings in /etc/ntp.conf file in the first line of the file. if not do nothing or exit.
2- also i want to add # in front of the following lines in... (0 Replies)
Discussion started by: lamoul
0 Replies
4. Shell Programming and Scripting
Try to imagine a flag:
nnnnx
nnnxx
nnxxx
nxxxx
now imagine how it will output:
4 times the "n"and 1 times "x"
3 times "n"and" 2 times" x "
.. etc. ..
rhombus is the same only instead of "n" is there
gap "and " x "is a few times to form the correct shape
Can you help... (3 Replies)
Discussion started by: krcek12
3 Replies
5. Shell Programming and Scripting
Hey,
So I've run into a problem, due to my limited knowledge of Bash scripting.
Basically I've got a long script and I want to understand it before I even try and edit it. As long as I don't understand the script, I will not bother editing it.
Anyway, the following variable confuses me... (5 Replies)
Discussion started by: abciscool
5 Replies
6. Shell Programming and Scripting
Hi,
can anyone help me with my scrip please. I wanted do following tasks:
1. List all the directory
2. A STDIN to ask user to enter a directory name from listed directories
3. command to check if the directory exists( or a command to validate if the user entered a valid directory name)
... (2 Replies)
Discussion started by: eminjan
2 Replies
7. Shell Programming and Scripting
hi all
i'm trying to get a script working upon connection with pppd
According to docu this happens ina clean environment with a couple of variables set, namely $1,$2,...
To be able to execute the statements i included a path statement but i think i'm running into trouble with the variables -... (6 Replies)
Discussion started by: jimjones
6 Replies
8. UNIX for Dummies Questions & Answers
Hello,
I'm confused (oh, yes). I'm running Linux at work. When I type 'echo $SHELL' I am told that I'm running tcsh. In /bin I note that both tcsh and bash are listed.
Question 1: Can I swap to run bash rather than tcsh and, if so, how will this affect my system? Is there any advantage to... (6 Replies)
Discussion started by: macpete
6 Replies
9. Shell Programming and Scripting
I'm writing a bash script to search the contents of a postfix log. To keep the script's output readable (since multiple lines from the log file need to be echo'ed) I am setting the IFS variable to an empty string so that the line breaks in my grep results are preserved. I am storing the results... (4 Replies)
Discussion started by: retrovertigo
4 Replies