Not able to execute Expect script

kamesp · 06-01-2012, 07:31 AM

Hi,

I have written a simple expect script which connects to a machine through telnet and prints the contents of the current folder.

#!/home/pub/bin/expect

spawn telnet 172.16.69.29 23
expect "login name:"
send "administrator\r"
#expect "Are you sure you want to continue connecting (yes/no)?"
#send "yes\r"
#expect "Do you want to change the host key on disk (yes/no)?"
#send "no\r"
#sleep 15
expect "password:"
send "Administrator1@\r"
expect "Windows NT Domain:"
send "\r"
expect "C:\WINNT\Profiles\Administrator>"
#set timeout 5
send "\r"
send "\r"
send "dir\r"

Here when executed it is able to login and enter the prompt ""C:\WINNT\Profiles\Administrator>"
After this the next command dir is not executed and the script exits without throwing any error,

Please help me in procedding further.

acid_kewpie · 06-01-2012, 07:56 AM

you need to expect something after you send a string, otherwise it will just exit immediately. Just copy that same expect again to the end.

jlinkels · 06-01-2012, 08:28 AM

acid_kewpie means you have to insert another expect statement at the end of the script. This statement should expect the DOS prompt again as a sign that the directory output is done.
expect "C:\WINNT\Profiles\Administrator>"

jlinkels

kamesp · 06-04-2012, 07:36 AM

Hi,

Thanks for the response it worked. I have one more question..

I want to serach for a pattern for ex.

my code is as below.

send "start service"
I will get a line with some string... I want to search for a word in the output and write a regular expression to verify if my script is passed or not..

send "start service"
search for "auto" in the above output if avilable my script passed or else failed...

can someone tell me how to write the logic for above scenario...

jlinkels · 06-04-2012, 08:07 AM

So you want to look into the output to see it the word auto occurs, and if it doesn't occur, then a failure should be indicated?

Something like:

Code:

expect {
     -re ".*auto.*\r" {puts success\n; exp_continue}
     timeout abort
}

I suggest also that you put exp_internal 1 at the start of your script. Once you start debugging regular expressions you want to see what is going on.

jlinkels

PS: No idea why the thumbs down icon is in th eheader of my post. Not intentional.

jefro · 06-04-2012, 03:47 PM

See if making the script from autoexpect works.