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expect and stty paths are different and resulting in error.

 
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Top Forums UNIX for Dummies Questions & Answers expect and stty paths are different and resulting in error.
# 1  
Old 07-15-2008
Question expect and stty paths are different and resulting in error.
Hello,

i am using expect to automate file transfers to and fro with a sftp server.

below is the script i am creating and executing in the main program.
Quote:
#!/usr/local/bin/expect
spawn ftp user@ftpsite.com
expect "username:"
send "user\r"
expect "password:"
send "passwd\r"
expect "ftp>"
send "binary\r"
expect "ftp>"
send "cd /path/on/ftp/server/\r"
expect "ftp>"
send "ls -l filename_*.pgp\r"
expect "ftp>"
send "bye\r"
interact
but i am getting the following error:

Quote:
spawn ftp ftp_server
sh: /usr/local/bin/stty: not found
Connected to ftp_server.
220 ftp_server FTP server (SunOS 5.8) ready.
Name (ftp_server:user): user
331 Password required for user.
Password:
230 User user logged in.
ftp> binary
200 Type set to I.
ftp> cd /path/on/ftp/server/
250 CWD command successful.
ftp> ls -l filename_*.pgp
200 PORT command successful.
150 ASCII data connection for /bin/ls (ftp_server,11111) (0 bytes).
226 ASCII Transfer complete.
local: filename.txt.r.pgp remote: -l
90 bytes received in 0.0042 seconds (21.02 Kbytes/s)
ftp> bye
221 Goodbye.
Quote:
sh: /usr/local/bin/stty: not found
the main program that creates and runs this script looks for words like "not found" in the log file that is created and decides whether there was an error in the sftp process. In this case there is an error.

i am on working on SunOS 5.8 korn shell. i did some research on this and found out that the "expect" program is in the "/usr/local/bin" folder and stty is in "/usr/bin".

i also check the $PATH variable and both "/usr/local/bin" and "/usr/bin" are present.

can anyone help me with this particular issue? any help appriciated.

Thank you.
Last edited by The Nemi; 07-16-2008 at 12:47 PM..
# 2  
Old 07-15-2008
I would do a simlink of expect in /usr/bin and see if it solves your problem...
you would have /usr/bin/expect -> /usr/local/bin/expect
# 3  
Old 07-16-2008
for some reason the sysadmins are a bit reluctant to add the symbolic link....

can the stty program be installed in 2 different places on one server....for example....can stty be present in /usr/local/bin and /usr/bin ?
# 4  
Old 07-16-2008
Well that was the idea using a symbolic link, stty would have been seen "as" in /usr/local/bin also... but saves you the copy and maintnance of 2 binaries...
But I would try to argue that before anything else you want to see IF this link solves the issue before deciding what is going to be done (we may be wrong after all...)
# 5  
Old 07-16-2008
I think that is the only option we have to create a symbolic link. I also learned that the path for stty is hard coded in the expect program.

i will create a symbolic link and let you know how it turns out. thank you for your help VBE.
# 6  
Old 07-16-2008
But as I suggested, I would start by a simlink of expect in /usr/bin
# 7  
Old 07-17-2008
The sysadmins did that (not sure they did it the right way)....but when i go to cd /usr/local/bin and do a ls -l i can see bin -> /usr/bin

please let me know whether it should look the way i described.

after creating the simlink i tested the script and i am still getting the same error sh: /usr/local/bin/stty: not found
 
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