You should use better authentication with open keys. In these case you need no password and no expect.
If you want it with expect, use this script (see answer Automate scp file transfer using a shell script ):
#!/usr/bin/expect -f
# connect via scp
spawn scp "[email protected]:/home/santhosh/file.dmp" /u01/dumps/file.dmp
#######################
expect {
-re ".*es.*o.*" {
exp_send "yes\r"
exp_continue
}
-re ".*sword.*" {
exp_send "PASSWORD\r"
}
}
interact
Also, you can use pexpect (python module):
def doScp(user,password, host, path, files):
fNames = ' '.join(files)
print fNames
child = pexpect.spawn('scp %s %s@%s:%s' % (fNames, user, host,path))
print 'scp %s %s@%s:%s' % (fNames, user, host,path)
i = child.expect(['assword:', r"yes/no"], timeout=30)
if i == 0:
child.sendline(password)
elif i == 1:
child.sendline("yes")
child.expect("assword:", timeout=30)
child.sendline(password)
data = child.read()
print data
child.close()