#!/bin/bash
#!/usr/bin/expect -f
FILE1=dispositivos.csv  #file with IP's and device name
set Username "user"    #this is the user for telnet connection.
set Password "this.is.the.pass"  #pass for telnet connection.

NUMERODISP="$(wc -l $FILE1 | awk '{print $1}')" #this command counts number of devices (IP's) in the file as it is a .csv file, it only counts number of lines.


for i in `seq 2 $NUMERODISP`;
        do
    IP="$(awk -vnum="$i" 'NR == num { print $NF }' dispositivoss.csv)"
        echo "$IP" #this takes the IP from last column from .csv file
    done

for i in `seq 2 $NUMERODISP`;
        do
    IP="$(awk -vnum="$i" 'NR == num { print $NF }' dispositivoss.csv)"
        send "telnet $IPr"
    expect "Username:"
    send "$Usernamer"
    expect "Password: "
    send "$Passwordr"
    expect "*>"
    send "show versionr"
    log_file -noappend SN_$IP.dat;
    expect -ex "--More--" {send -- " "; exp_continue}
    expect "*>"
    log_file;
    done