I don't have an example handy, but as I recall the working construct is based on this form of code fragment:
I once wrote a script that automatically 'telnetted' into hundreds of Cisco routers and changed the passwords when an employee was terminated. This was about 7 years ago and my memory on the actual code is foggy. I do remember that we used KSH and used a contruct like the one above.
I suggest you get out your best shell programming book and use the construct above in the correct syntax. For example, I don't recall if you use a pipe "|" or perhaps a "<" redirection tag to send the telnet output to the while logic block. You would have to get this from studying the construct and perhaps some simple trial and error. Sorry not to remember more.
Hi,
How to write a script to perform telnet/ftp operation.
Also please refer some site to get reference about shell scripting.
Thanks in advance
-Arun. (1 Reply)
I am trying to use telnet in shell script but getting following error
error
Connected to crmapp00.agf.ca.
Escape character is '^]'.
Connection closed by foreign host.
Script
#!/bin/ksh
PATH=/usr/sbin/:/usr/bin:/usr/ucb:/etc:/usr/local/bin:.
telnet HOSTNAME <<SCRIPT
user userid... (9 Replies)
Hi All,
I was trying to use telnet in a script to access a certain processor on a certain port to view some processes. The problem is that when I use telnet the output is displayed for me.
The script is:
#!/bin/sh
cd /ahmed/ezzat/
rm ss7trace.log
touch ss7trace.log
chmod 755... (3 Replies)
Hi Guys,
How do I write the script for the following
telnet 192.168.1.100 9002
if the result is less than 1 second. The script should say as port open
if the result takes more than 3 seconds. The script should display as port closed.
Thanks,
Charan (1 Reply)
Hi all,
I would like to write a ad hoc shell script that would allow me to do some telnet tests to multiple IP's and ports at the same time . So, I want to determine which one is successful and which one fails. So, basically I would like the shell to spawn the telnet test and to break out of... (3 Replies)
Hi,
I need a script that take one parameter as destination hostname and two parameter as ranges and tries telnet and records the successful connections.
fo reg:
./testtelnet.sh destination-host 1000 1050
should give me all the port between 1000 and 1050 what successfully connected to... (10 Replies)
Hello,
I wrote a script for doing telnet.However the requirement got changed and now I have to write a telnet script that will
1. Do the telnet from all the virtual ips in a box(Ex: x.x.x.x is the box ip, and x.x.x.1,x.x.x.2 etc are virtual ips associated with that box.)
2. The port range... (0 Replies)
Hello,
I wrote a script for doing telnet.However the requirement got changed and now I have to write a telnet script that will
1. Do the telnet from all the virtual ips in a box(Ex: x.x.x.x is the box ip, and x.x.x.1,x.x.x.2 etc are virtual ips associated with that box.)
2. The port range... (3 Replies)
Discussion started by: coolkid
3 Replies
LEARN ABOUT SUSE
pdl::philosophy
PHILOSOPHY(1) User Contributed Perl Documentation PHILOSOPHY(1)NAME
PDL::Philosophy -- what's behind PDL?
DESCRIPTION
This is an attempt to summarize some of the common spirit between pdl developers in order to answer the question "Why PDL"? If you are a
PDL developer and I haven't caught your favorite ideas about PDL, please let me know!
An often-asked question is: Why not settle for some of the existing systems like Matlab or IDL or GnuPlot or whatever?
Major ideas
The first tenet of our philosophy is the "free software" idea: software being free has several advantages (less bugs because more people
see the code, you can have the source and port it to your own working environment with you, ... and of course, that you don't need to pay
anything).
The second idea is a pet peeve of many: many languages like matlab are pretty well suited for their specific tasks but for a different
application, you need to change to an entirely different tool and regear yourself mentally. Not to speak about doing an application that
does two things at once... Because we use Perl, we have the power and ease of perl syntax, regular expressions, hash tables etc at our
fingertips at all times. By extending an existing language, we start from a much healthier base than languages like matlab which have
grown into existence from a very small functionality at first and expanded little by little, making things look badly planned. We stand by
the Perl sayings: "simple things should be simple but complicated things should be possible" and "There is more than one way to do it"
(TIMTOWTDI).
The third idea is interoperability: we want to be able to use PDL to drive as many tools as possible, we can connect to OpenGL or Mesa for
graphics or whatever. There isn't anything out there that's really satisfactory as a tool and can do everything we want easily. And be
portable.
The fourth idea is related to PDL::PP and is Tuomas's personal favorite: code should only specify as little as possible redundant info. If
you find yourself writing very similar-looking code much of the time, all that code could probably be generated by a simple perl script.
The PDL C preprocessor takes this to an extreme.
Minor goals and purposes
We want speed. Optimally, it should ultimately (e.g. with the Perl compiler) be possible to compile PDL::PP subs to C and obtain the top
vectorized speeds on supercomputers. Also, we want to be able to calculate things at near top speed from inside perl, by using dataflow to
avoid memory allocation and deallocation (the overhead should ultimately be only a little over one indirect function call plus couple of
ifs per function in the pipe).
We want handy syntax. Want to do something and cannot do it easily? Tell us about it...
We want lots of goodies. A good mathematical library etc.
AUTHOR
Copyright(C) 1997 Tuomas J. Lukka (lukka@fas.harvard.edu). Redistribution in the same form is allowed but reprinting requires a permission
from the author.
perl v5.12.1 2009-10-17 PHILOSOPHY(1)