期待在产卵时两次提示密码

spawn ssh -q [email protected] Password: Password: 

期望在发送密码之前期待空。

debugging信息

 expect: does "" (spawn_id exp6) match glob pattern "yes/no"? no "Password: "? no Password: expect: does "Password: " (spawn_id exp6) match glob pattern "yes/no"? no "Password: "? yes expect: set expect_out(0,string) "Password: " expect: set expect_out(spawn_id) "exp6" expect: set expect_out(buffer) "Password: " send: sending "password \r" to { exp6 } expect: does "" (spawn_id exp6) match glob pattern "*>"? no