/usr/bin/expect_timed-run is in expect-dev 5.45-5ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | #!/bin/sh
# -*- tcl -*-
# The next line is executed by /bin/sh, but not tcl \
exec tclsh8.6 "$0" ${1+"$@"}
package require Expect
# run a program for a given amount of time
# i.e. time 20 long_running_program
set timeout [lindex $argv 0]
eval spawn [lrange $argv 1 end]
expect
|