Linux: Can't find expect in my /bin/ or /usr/bin after installing. How do I find it?

Question

I realise this might be a stupid question, but I've been trying to follow the advice on the following post http://stackoverflow.com/questions/16928004/how-to-enter-ssh-password-using-bash

However, I've come up to a problem. I installed expect with

sudo apt-get install expect

but now embarrassingly I can't figure out where the script interpreter is. It doesn't seem to be in the normal paths where people look to (i.e

/bin/

or

/usr/bin/

).

It does seem to have installed, since

$ expect

seems to work, but I just can't use the interpreter (i.e I try to shebang it like everyone else with

#!/bin/sh/expect

and it gives an error).

Answer 1

You can find the location by listing all the files the package expect provides by dpkg -L:

dpkg -L expect

or narrow it down to only the filenames ending in expect:

dpkg -L expect | grep '/expect$'

or if resides in typical binary directories:

dpkg -L expect | grep -E '/s?bin/'

Also the typical way to go through the $PATH for an executable is to use:

which expect

or better (considering shell internals), not strictly needed in this case though:

type -a expect

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