The previous respondant was actually correct; you need to create an expect object and then use that object to do things. I don't claim great expertise in it either, but I have been asked to make things work in Perl Expect. What I'll offer is a bit of a code snippet where the script is logging into a router via ssh and then looking at the prompt to help determine the type of the router.
my $exp = new Expect;
$exp->raw_pty(1);
$exp->log_stdout(0);
# $exp->log_stdout(1); # uncomment for debugging
$exp->log_file($logfile);
my $host = "$r\.domain\.com";
$exp->spawn("ssh -o StrictHostKeyChecking=no $user{$r}\@$host ") |
+|
die("Cannot spawn an ssh session within expect.\n");
$exp->expect($delay,
[
'assword:',
sub { my $exp = shift;
$exp->send("$pass{$r}\r");
exp_continue;
}
],
[
eof =>
sub { $exitcode = 1; }
],
[
timeout =>
sub { $exitcode = 2; }
],
[
'>',
sub { my $exp = shift;
$cisco = $false;
$prompt = '>';
}
],
[
'#',
sub { my $exp = shift;
}
],);
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