On: Expect – Writing a Tcl Extension in Only Seven Years (1997)

[cafard]

Perl has the work-alike Expect module.

[bjg → cafard]

Python has one as well: https://pexpect.readthedocs.org/en/latest/

[robmil → bjg]

…and Ruby has the PTY module which includes an `expect` method, which is in the same ballpark:

http://ruby-doc.org/stdlib-2.2.0/libdoc/pty/rdoc/PTY.html