# This creates 120k heredoc
echo 'cat <<HERE | md5sum' >"$0.tmp"
yes "123456789 123456789 123456789 123456789" | head -3000 >>"$0.tmp"
echo 'HERE' >>"$0.tmp"

yes "123456789 123456789 123456789 123456789" | head -3000 | md5sum
. "$0.tmp"
rm "$0.tmp"
echo End