TBP Wiki - User contributions [en]

Autoexpect

2019-05-10T15:18:15Z

Heath:

'''Autoexpect''' is a built-in script with expect [[https://wiki.tbpindustries.com/index.php?title=Expect]] that auto-generates an expect script from watching a session, basically autoexpect watches you interacting with another program and creates an Expect script that reproduces your interactions.

Simply run <code>autoexpect</code> and a new session will start. autoexpect will then begin recording your interactions until you stop it.

This has the downside of recording full output and putting them into an expect field. This can be avoided by using the <code> - p </code> flag which will put auto expect into prompt mode. In this mode, autoexpect will only look for the the last line of program output - which is usually the prompt. This handles the date problem (see above) and most others.

See Also: Expect [[https://wiki.tbpindustries.com/index.php?title=Expect]]

Autoexpect

2019-05-10T15:17:54Z

Heath:

'''Autoexpect''' is a built-in script with expect [[https://wiki.tbpindustries.com/index.php?title=Expect]] that auto-generates an expect script from watching a session, basically autoexpect watches you interacting with another program and creates an Expect script that reproduces your interactions.

just type <code>autoexpect</code> and a new session will start. autoexpect will then begin recording your interactions until you stop it.

This has the downside of recording full output and putting them into an expect field. This can be avoided by using the <code> - p </code> flag which will put auto expect into prompt mode. In this mode, autoexpect will only look for the the last line of program output - which is usually the prompt. This handles the date problem (see above) and most others.

See Also: Expect [[https://wiki.tbpindustries.com/index.php?title=Expect]]

Autoexpect

2019-05-10T15:17:44Z

Heath: Created page with "'''Autoexpect''' is a built-in script with expecthttps://wiki.tbpindustries.com/index.php?title=Expect that auto-generates an expect script from watching a session, basica..."

'''Autoexpect''' is a built-in script with expect[[https://wiki.tbpindustries.com/index.php?title=Expect]] that auto-generates an expect script from watching a session, basically autoexpect watches you interacting with another program and creates an Expect script that reproduces your interactions.

just type <code>autoexpect</code> and a new session will start. autoexpect will then begin recording your interactions until you stop it.

This has the downside of recording full output and putting them into an expect field. This can be avoided by using the <code> - p </code> flag which will put auto expect into prompt mode. In this mode, autoexpect will only look for the the last line of program output - which is usually the prompt. This handles the date problem (see above) and most others.

See Also: Expect [[https://wiki.tbpindustries.com/index.php?title=Expect]]

Expect

2019-05-10T15:14:53Z

Heath:

Expect

2019-05-10T15:14:25Z

Heath:

<strong>Expect</strong> is a program that talks to other interactive programs according to a script. Following the script, Expect knows what can be expected from a program and what the correct response should be. An interpreted language provides branching and high-level control structures to direct the dialogue. In addition, the user can take control and interact directly when desired, afterward returning control to the script.

=ssh=
Expect can be used to do most things. Setting up ssh to auto connect using a command, such as "jump", will automatically connect you to a secure shell if set up properly.

The first script is a basic bash script which, then, calls to the expect script:

#!/bin/sh
jumper PASSWORD 12.345.67.89 USERNAME

This bash script calls to the <code>jumper</code> expect script:

#!/usr/bin/expect -f
# set Variables
set password [lrange $argv 0 0]
set ipaddr [lrange $argv 1 1]
set user [lrange $argv 2 2]
# now connect to remote UNIX box (ipaddr) with given script to execute
spawn ssh $user@$ipaddr
match_max 100000
# Look for passwod prompt
expect "*?assword:*"
# Send password aka $password
send -- "$password\r"
interact

These both have to be set to executable by the owner of the files or by global with <code>chmod</code> and placed somewhere they are able to execute it from, e.g. /bin/.

Autoexpect is a built-in script with expect that auto-generates an expect script from watching a session, basically autoexpect watches you interacting with another program and creates an Expect script that reproduces your interactions.

just type <code>autoexpect</code> and a new session will start. autoexpect will then begin recording your interactions until you stop it.

This has the downside of recording full output and putting them into an expect field. This can be avoided by using the <code> - p </code> flag which will put auto expect into prompt mode. In this mode, autoexpect will only look for the the last line of program output - which is usually the prompt. This handles the date problem (see above) and most others.