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Help with EXPECT script hanging

 
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Old 03-11-2008
Tools Help with EXPECT script hanging
I am new at developing EXPECT scripts. I'm trying to create a script that will automatically connect to a UNIX server via FTP and download a log file from the server within a specified server directory on the remote machine. I'm having problems with the EXPECT script "hanging" at the password prompt. Any help would be appreciated to get this issue resolved. Below is the code snippet and the actual results that are shown when executing this Expect script within a Bash file. Please take into consideration that I can't provide the exact server name in the code snippet.

Code:

set tgtHostLong [lindex $argv 1]
set ftpUser [lindex $argv 2]
set password [lindex $argv 3]
set timeout -1
spawn ftp $tgtHostLong
match_max 100000
expect -exact "User ($tgtHostLongSmilienone)):"
send -- "$ftpUser\r"
expect -exact "Password: "
send -- "$password\r"
expect -exact "ftp> "

Actual Result:

spawn ftp xxxxxxxx.xxxx.xxx.com
User (xxxxxxxx.xxxx.xxx.comSmilienone)): m25047
Password:
 
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LEARN ABOUT DEBIAN

gems-server

GEMS-SERVER(1)							gems documentation						    GEMS-SERVER(1)

NAME

       gems-server - Transmit a shell session in real time.

SYNOPSIS

       gems-server [-ip ip] [-port p] [-maxconn n] [-wait m] [-log dest] [-noscript] [-script_bin script]

       gems-server -h | -v

DESCRIPTION

       Transmits a shell session to be shown in real time in various different computers or terminals.

       gems-server  transmits data in real time to clients via a network connection. Each one of these clients must run the gems-client(1) program
       to establish connection and receive the transmitted data. Clients can connect and disconnect at any given time, but  of	course	they  will
       only receive the data that is transmitted while they are connected (just like a radio transmission/reception system).

       The  gems  system is normally used to transmit a console session and show it in various computers at the same time, but it is also possible
       to transmit any other kind of data.

OPTIONS

       -ip    IP address where connections will be accepted.

       -port  TCP port. Default: 6666.

       -maxconn
	      Do not accept more than n simultaneous clients. Default: 25.

       -wait  Wait until m clients are connected before starting the transmission. This is useful to ensure that the first m clients will  receive
	      all data transmitted. The default behavior is to start transmission immediately, without waiting for client connections.

       -log   By  default,  the server does not write log messages. This option configures the destination of logs. The dest argument can be `sys-
	      log' (to log through syslogd(8)), `stderr' (to log through standard error output), or it can be an arbitrary filename (log  messages
	      will be appended to the file, if it exists).

       -noscript
	      By  default,  the  server  executes the script(1) program to take terminal data and transmit it. When this option is used the server
	      will not run script, and data will be read form standard input.

       -script_bin
	      Specifies the location of the script(1).	program. Default: /usr/bin/script.

       -h     Show a short help message.

       -v     Show version information.

FILES

       /var/lock/gems-server.PORT
	      Lock file.  gems-server creates this file on initialization and deletes it on exit. PORT is replaced by the TCP  port  used.   gems-
	      server will not run if this file is already present in the system.

AUTHORS

       Diego Essaya <dessaya@fi.uba.ar>

       Emiliano Castagnari <ecastag@fi.uba.ar>

SEE ALSO

       gems-client(1), script(1), syslogd(8)

gems								    AUGUST 2004 						    GEMS-SERVER(1)