#!/usr/bin/perl -w
# ciscoconf.pl

use strict;
use Net::Telnet::Cisco;


my $pass    = '';                          # Cisco vty password
my $timeout = '60';                        # seconds of no response till Net::Telnet::Cisco gives up waiting
my $infile  = "/dir/subdir/ciscoconf.in"  # one-per-line text-file listing of Cisco devices to connect to
my $logfile = "/dir/subdir/ciscoconf.log" # logfile of script results


print "starting Cisco device sessions\n"  # print to console, not log
open (IN, "$infile")     or die "Error opening $infile: $!\n"
open (LOG,">$logfile")   or die "Error opening $logfile: $!\n"


# repeat these actions for each Cisco device at command prompt (or else in ciscoconf.in)
# control struct(s) begin here?
    print LOG "#############################################################\n"
    my $cs=Net::Telnet::Cisco->new(Host=>IN, timeout=>$timeout,);
    $cs->login('',$pass);                  # vty login
    $cs->errmode(sub{print LOG @_, "\n"}); # error handler: print $cs->errmsg, "\n"
    print $cs->last_prompt, "\n"          # print Cisco device prompt to console
    print LOG $cs->last_prompt, "\n"      # print Cisco device prompt to log
    $cs->close;                            # exit Cisco session
    print LOG "#############################################################\n"
# control struct(s) end here?
# end actions for each Cisco device


close (IN)               or die "Error closng $infile: $!\n"
close (LOG)              or die "Error closing $logfile: $!\n"
print "finished Cisco device sessions\n"  # print to console, not log

# END