Hi All
I am correcrtly executing the script below from my linux server. However, it seems that once I try to run it via crontab (correct permisions have been set etc) I get the following error:
can't read "expect_out(buffer)": no such variable
while executing
"set output $expect_out(buffer)"
("foreach" body line 6)
invoked from within
"foreach cmd $commands {
send "$cmd\r"
expect -re $prompt
#remove zeros from the cmd filename
regsub -all {[ \r\t\n]+} ..."
("foreach" body line 20)
invoked from within
"foreach device $device_list {
# Set each device's log file to be the name of the device...
set file_name $device
# we initiate the SSH connection
Crontab is:
0 4 * * * /usr/bin/expect /<path of the script>/<script name>.exp
Script below:
#!/usr/bin/expect
# Here, we specify all our commands in a list, that we will issue one
# by one at a later time.
set commands [list "show ip route summary" "show interfaces" "show arp" "show ip ospf neighbor" "show ip eigrp neighbor" "show cdp neighbors"]
# Set the date.
set date [timestamp -format %C%y%m%d]
# This variable is for a file called switches.txt that has the hostname/IP
# of all of the routers you are collecting information from.tepad
set device_list [read [open "/<path>/switches.txt"]]
# Specify the username and password, as well as what we expect the routers'
# prompt to be.
set pass "*******"
#set prompt "#"
set prompt {([#>]) ?$}
# This command tells expect not to echo the output to the console.
exp_log_user 0
#log_user 1
# We loop through each device in our list, one by one...
foreach device $device_list {
# Set each device's log file to be the name of the device...
set file_name $device
# we initiate the SSH connection
eval spawn ssh $device -l ********
match_max [expr 32 * 1024]
#If we see a message asking about the device's host key, accept it.
interact -o -nobuffer -re "assword: $" return
send "$pass\r"
# Loop through each command that we specified earlier.
expect -re $prompt
send "term len 0\r"
expect -re $prompt
foreach cmd $commands {
send "$cmd\r"
expect -re $prompt
#remove zeros from the cmd filename
regsub -all {[ \r\t\n]+} $cmd "" correct_cmd
set output $expect_out(buffer)
set fd [open /<path>/$file_name-$date-$correct_cmd.txt w]
puts $fd $output
close $fd
}
expect -re $prompt
send "exit\r"
exp_close -i $spawn_id
exp_wait
}
Not sure why this is the case. Anyone can recommend a solution?
Thanks
Pantelis
