Simple Telnet Automation Using Expect

 if [ "z$1" == "z" ]; then
   echo "You didn't type a valid argument."

 If [ $1 == $Nickname ]; then
   ./telExpect.exp $Machine $Username $Password
   Fi #finish if statement

#!/bin/sh #Where the script is run from
 
Chmod 600 #only owner can read/write
 
 if [ "z$1" == "z" ]; then #if the argument is null
 
 echo "You didn't type a valid argument." #echo an error msg
 
 else #otherwise perform the next set of if statements
 
 if [ $1 == "-h" ]; then #if the argument is -h
 
 
echo " Usage ./autotel [-a] [-h] Nickname" #echo the usage msg.
   echo "-a - Attempts to log on to each telnet server in file autotelrc and
  then exits."
   echo "-h - Displays this help message."
   echo "nickname - Telnets server using the username and password provided
  in the telnetrc file"
 
 elif [ $1 == "-a" ]; then #if the argument is -a
 
 n=`wc -l autotelrc | cut -b 0-7` #counts the number of lines in autotelrc
   i=2 #Makes the counter start at 2, this stops it from reading the first comment
  line
   
   while [ $i -le $n ] #while we still have lines to go through in the file
   
   do #do the following
   
   line=`head -$i autotelrc | tail -1` #The line used in the following loop
 
 Machine=`echo $line | cut -d' ' -f1` #initialising the Machine variable
 
 Username=`echo $line | cut -d' ' -f2` #initialising the Machine variable
 
 Password=`echo $line | cut -d' ' -f3` #initialising the Machine variable
 
 ./telExpect.exp $Machine $Username $Password #run the expect script with the
  arguments provided
   
   sleep 21 #sleep for 21 seconds to allow script to logout or timeout.
 
 i=`expr $i + 1` #increment counter
   
   done #end while loop
 
 else #wildcard else
 
 n=`wc -l autotelrc | cut -b 0-7` #counts the number of lines in autotelrc
   i=2 #Makes the counter start at 2, this stops it from reading the first comment
  line
   
   while [ $i -le $n ] #while we still have lines to go through in the file
   
   do #do the following
   
   line=`head -$i autotelrc | tail -1` #The line used in the following loop
 
 Machine=`echo $line | cut -d' ' -f 1` #initialising the Machine variable
 
 Username=`echo $line | cut -d' ' -f 2` #initialising the Machine variable
 
 Password=`echo $line | cut -d' ' -f 3` #initialising the Machine variable
 
 Nickname=`echo $line | cut -d' ' -f 4` #initialising the Machine variable
 
 if [ $1 == $Nickname ] #if the argument matched the nickname
   
   then #then do the following
   
   ./telExpect1.exp $Machine $Username $Password #run second expect script
 
 
 fi #finish if statement
 
 
   
   i=`expr $i + 1` #increment counter
   
   done #end while loop
   fi #finish if statement
   fi #finish if statement
   
   exit 0 #exit

#!/usr/bin/expect #Where the script should be run from.
   Chmod 600 #only owner can read/write
   set timeout 20 #If it all goes pear shaped the script will timeout after 20
  seconds.
   set Machine [lindex $argv 0] #First argument is assigned to the variable name
   set Username [lindex $argv 1] #Second argument is assigned to the variable user
   set Password [lindex $argv 2] #Third argument is assigned to the variable password
   spawn telnet $Machine #This spawns the telnet program and connects it to the
  variable name
   expect "login:" #The script expects login
   send "$Username " #The script sends the user variable
   expect "Password:" #The script expects Password
   send "$Password " #The script sends the password variable
   interact #This hands control of the keyboard over two you
 

  #!/usr/bin/expect #Where the script should be run from.
   set timeout 20 #If it all goes pear shaped the script will timeout after 20
  seconds.
   set Machine [lindex $argv 0] #First argument is assigned to the variable name
   set Username [lindex $argv 1] #Second argument is assigned to the variable user
   set Password [lindex $argv 2] #Third argument is assigned to the variable password
   spawn telnet $name #This spawns the telnet program and connects it to the variable
  name
   expect "login:" #The script expects login
   send "$Username" #The script sends the user variable
   expect
"Password:" #The script expects Password
   send "$Password" #The script sends the password variable
   send "quit" #log out of server.