sub_screen

#!/usr/bin/env bash

# Did caller pass in an epoch time to compare?
if [ $# = 1 ]; then
    "${HOME}/bin/test-host-times-match" "$1" || echo 'WARNING: Time out of sync' 1>&2
fi

# Primes the (possibly new) screen session with a (possibly new) remote DISPLAY

echo "${DISPLAY:-:10.0}" > "${HOME}/tmp/display"

[ -x "`which screen`" ] || exit 1
screen -D -RR -e^Ja -U