/usr/share/doc/dialog/examples/timebox is in dialog 1.2-20130928-1.
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 14 | #!/bin/sh
# $Id: timebox,v 1.9 2010/01/13 10:23:10 tom Exp $
. ./setup-vars
DIALOG_ERROR=254
export DIALOG_ERROR
exec 3>&1
RESULT=`$DIALOG --title "TIMEBOX" "$@" --timebox "Please set the time..." 0 0 12 34 56 2>&1 1>&3`
retval=$?
exec 3>&-
. ./report-string
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