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expect script error checking Edgeley, North Dakota

We can send this because we know we successfully got this far and our prompt matched from the previous expect statement. Works nice. –Andrej Jul 25 '11 at 13:00 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Example #2 This is a more complicated example that has to deal with different situations depending on the device type. Assuming ftp’s line is the only thing in expect’s input buffer, you can match errors using the range construct described on page 91: expect { timeout {unexpected ...} "^\[45]" {error ...}

Expect Telnet Error Handle? 6. Quote: Originally Posted by Corona688 If you used sftp with keys, you wouldn't need to install or use a third-party brute-forcing utility to forcefeed plaintext passwords into ssh in an insecure After I discovered expect a couple >weeks ago, I found it really interesting. If it begins with a 4 or 5, it is an error.

I know when I see 100% it is done. If no username is given then it assumes your using ssh keys and uses the username you logged in with. It is often possible to find a pattern with appropriate wildcards that match many errors. You use the expect command to match the output and decide what to send the current process.

no expect: does "\r\n" (spawn_id exp6) match glob pattern "{severname:mike} "? I'm interested in expects ability to see a prompt and send certain text back as a response, and when a prompt is received that is different than what is expected how Expect, C, And C++ Overview Linking Include Files Ptys And Processes Allocating Your Own Pty Closing The Connection To The Spawned Process Expect Commands Regular Expression Patterns Exact Matching Matching A Why does argv include the program name?

I had to read the Expect O'Reilly book to gather all of the information I needed, but that was not very short. up vote 4 down vote favorite I am just improving my question because I have achieved so far up to this: set username [lindex $argv 0] set password [lindex $argv 1] After Expect is installed find where it was installed to by issuing the command "which expect". Line 1 executes the start of the script with the path to the expect binary.

Basically I'd like to automatically telnet into a machine and run a few ksh scripts or perl scripts on the remote machine (the remote machine does not have tcl/tk or expect). I'm going to give my shortened version of how it works, and answer the questions I had at the time I was learning it. Example #1. The linefeed (\n) matches the end of the carriage-return linefeed combination that appears at the end of any line intended to be output on a terminal.When the timeout pattern is matched,

I able to see spawned in ps aux, it runs and exiits successfully, but expect is completely hanged up. For what you need, it looks like you can accomplish this with a single ssh command: ssh -q -o StrictHostKeyChecking=no [email protected]$hostname "ls -lrt; df -h" 1>>successlog 2>>errorlog For another scripting language Many other programs are completely inflexible, having long fixed timeouts or none at all.rsh is a program for executing shell commands remotely.[19]rsh is an example of a program that is very Ctrl-C is octal 003.

Register. 08-16-2012 #1 Evilmachine View Profile View Forum Posts View Articles Just Joined! If you would like to refer to this comment somewhere else in this project, copy and paste the following link: ender - 2010-11-30 From looking in the book again there is If we don't put the \ before the $ it will still work, but the match is to broad and matches anything. To stop this you can set log_user to 0 "log_user 0" at the top of your script.

If it does not match we will hit the timeout, then our error message will print and the script will exit. To find the octal number for any key use the program od. All Rights Reserved. Line 23 will actually send the password we specified on the command line to ssh.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed asked 4 years ago viewed 7884 times active 4 years ago Related 1What is wrong with my expect script?6Expect timeout, in Bash scripting0screen, expect and scripted detached interaction0expect script works fine All Rights Reserved. The >shell scripts will output error message by "echo or print".

Either IOS or Nexus. Your prompts are likely to vary so change your matching expression to meet your needs. In the simplest form that is how expect works. Again any help would be greatly appreciated.

Getting Started With Expect The send Command The expect Command Anchoring What Happens When Input Does Not Match Pattern-Action Pairs Example—Timed Reads In The Shell The spawn Command The interact Command Starting Multiple Expect Scripts from a Single Expect Script 2. And there is no way to change this time period. If you can connect to any machine using ssh, telnet, ftp, etc then you can automate the process with an expect script.

The save command takes a few seconds to run. There also is another problem with running remote process via spawn. However, I am not sure hwo to do the following. Removing elements from an array that are in another array Sum of neighbours How do you say "root beer"?