// retoor <retoor@molodetz.nl>
import "pexpect" for Spawn, Pexpect
var child = Spawn.new("echo hello")
var result = child.expect(["hello"])
System.print(result) // expect: 0
child = Spawn.new("cat")
child.sendline("test input")
var idx = child.expect(["test input"])
System.print(idx) // expect: 0
child.sendeof()
child.close()