** Summary **

A common question is how to get [Expect] to control a file pager such as
'''more''' or '''[less]''' to automatically page through the entire contents,
without having to manually step through each page of text.  One use case for
this is to page through a license file when installing some software.

**  Description **

First, check the pager being used to make sure it doesn't have a "show
everything" mode.   If it does, use that instead of Expect.

As a model of the value of [exp_continue], though, this problem is valuable.  An
example solution follows.

[[Explain [eof] vs. a remote prompt, ...]]

======
package require Expect

set more_prompt "--More-- or (q)uit"
set more_prompt %)
set shell_prompt {$ }
set go_ahead_reply " "
set example_textfile /etc/passwd

log_user 0

spawn more $example_textfile

expect -- $more_prompt {
    send $go_ahead_reply
    puts "The current display is in exp_out(buffer)."
    exp_continue
} $shell_prompt {
    puts "This is a branch for a remote process."
} eof {
    puts "That's the end."
} timeout {
    puts "This is strange."
}
======

Here's a more reduced example of the same ideas, one which takes advantage of
the expect command's other pattern-action syntax:

======
set m "--More--"
expect -- {
    $m {send " ";exp_continue}
    "# " {# Done!}
}
======

<<categories>> Expect | Example