$ curl cheat.sh/
# expect
# Script executor that interacts with other programs that require user input.
# More information: <https://manned.org/expect>.

# Execute an expect script from a file:
expect path/to/file

# Execute a specified expect script:
expect -c "commands"

# Enter an interactive REPL (use `exit` or Ctrl + D to exit):
expect -i

$
Follow @igor_chubin cheat.sh tldr