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Help with EXPECT script hanging
Post 302174619 by markus2008 on Tuesday 11th of March 2008 03:44:07 PM
03-11-2008
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 $tgtHostLong
match_max 100000
expect -exact "User ($tgtHostLong
none)):"
send -- "$ftpUser\r"
expect -exact "Password: "
send -- "$password\r"
expect -exact "ftp> "
Actual Result:
spawn ftp xxxxxxxx.xxxx.xxx.com
User (xxxxxxxx.xxxx.xxx.comnone)): m25047
Password:
Code:
set tgtHostLong [lindex $argv 1]
set ftpUser [lindex $argv 2]
set password [lindex $argv 3]
set timeout -1
spawn ftp $tgtHostLong
match_max 100000
expect -exact "User ($tgtHostLong
none)):"send -- "$ftpUser\r"
expect -exact "Password: "
send -- "$password\r"
expect -exact "ftp> "
Actual Result:
spawn ftp xxxxxxxx.xxxx.xxx.com
User (xxxxxxxx.xxxx.xxx.com
none)): m25047Password:
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LEARN ABOUT OPENSOLARIS
lindex
lindex(1T) Tcl Built-In Commands lindex(1T) __________________________________________________________________________________________________________________________________________________ NAME
lindex - Retrieve an element from a list SYNOPSIS
lindex list ?index...? _________________________________________________________________ DESCRIPTION
The lindex command accepts a parameter, list, which it treats as a Tcl list. It also accepts zero or more indices into the list. The | indices may be presented either consecutively on the command line, or grouped in a Tcl list and presented as a single argument. | If no indices are presented, the command takes the form: | lindex list | or | lindex list {} | In this case, the return value of lindex is simply the value of the list parameter. | When presented with a single index, the lindex command treats list as a Tcl list and returns the index'th element from it (0 refers to the first element of the list). In extracting the element, lindex observes the same rules concerning braces and quotes and backslashes as the Tcl command interpreter; however, variable substitution and command substitution do not occur. If index is negative or greater than or equal to the number of elements in value, then an empty string is returned. If index has the value end, it refers to the last element in the list, and end-integer refers to the last element in the list minus the specified integer offset. If additional index arguments are supplied, then each argument is used in turn to select an element from the previous indexing operation, | allowing the script to select elements from sublists. The command, | lindex $a 1 2 3 | or | lindex $a {1 2 3} | is synonymous with | lindex [lindex [lindex $a 1] 2] 3 | EXAMPLES
| lindex {a b c} => a b c | lindex {a b c} {} => a b c | lindex {a b c} 0 => a | lindex {a b c} 2 => c | lindex {a b c} end => c | lindex {a b c} end-1 => b | lindex {{a b c} {d e f} {g h i}} 2 1 => h | lindex {{a b c} {d e f} {g h i}} {2 1} => h | lindex {{{a b} {c d}} {{e f} {g h}}} 1 1 0 => g | lindex {{{a b} {c d}} {{e f} {g h}}} {1 1 0} => g | SEE ALSO
list(1T), lappend(1T), linsert(1T), llength(1T), lsearch(1T), lset(1T), lsort(1T), lrange(1T), lreplace(1T) | KEYWORDS
element, index, list ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWTcl | +--------------------+-----------------+ |Interface Stability | Uncommitted | +--------------------+-----------------+ NOTES
Source for Tcl is available on http://opensolaris.org. Tcl 8.4 lindex(1T)