expect for file transfer scp

# Using scp file transfer (transfer from the file server A to server B)

#!/usr/bin/expect
set timeout -1
spawn scp A_path B_username@B_IP:B_path
expect {
    "password" {send "$B_password\r";}
    "yes/no" {send "yes\r";exp_continue}
}
expect eof
exit

 

# Using scp file transfer (download files from the server B to server A)

#!/usr/bin/expect
set timeout -1
spawn scp B_username@B_IP:B_path  A_path
expect {
    "password" {send "$B_password\r";}
    "yes/no" {send "yes\r";exp_continue}
}
expect eof
exit

If the output contains ## yes / no, said the first time logging in, you need to enter yes to add trusted. Continue this cycle represents exp_continue