'

Expect Commands

set a 15
set b "hello"

send "Mozilla Firefox OS is written in\n"
send "HTML5\n"

puts "Mozilla Firefox OS is written in"
puts "HTML5"

./tip.png | puts automatically appends a new line.

expect "pattern" action

expect {
 "pattern1" action1
 "pattern2" action2
 "pattern3" {
 action3a
 action3b
 }  }

Glob patterns (Shell-style)

expect -gl "super *"

Regular expressions

expect -re "(login|Username):"

Exact strings

expect -ex "* wars"

spawn ./a.out
spawn chromium
spawn gnome-terminal

interact

if {$temperature < 50} {
puts "It’s pretty cold."
}

while {$temperature < 20} {
puts "Ice Age!"
}