Expect implementing interactive input

I. Implementing interactive input with expect

#!/usr/bin/expect-f
Set Luks_passphrase xxxx123
Set Verify_passphrase xxxx123
Spawn Cryptsetup LUKSFORMAT/DEV/VDB1

Expect "is you sure?" (Type uppercase Yes): "
Set Timeout 5
Send "yes\r"

Expect "Enter LUKS passphrase:"
Set Timeout 5
Send "$LUKS _passphrase\r"

Expect "Verify Passphrase:"
Set Timeout 5
Send "$Verify _passphrase\r"

Send "exit\r"
Expect EOF

Two. Invoking the expect script with a shell script

Expect X.exp

This article is from the "Automation Rolin" blog, so be sure to keep this source http://luoguoling.blog.51cto.com/1568501/1721237

Expect implementing interactive input