#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
: ${THIS_SH:=./bash}

printf "time -c : :\n"
time ${THIS_SH} -c :

printf "time /dev/null:\n"
time ${THIS_SH} /dev/null

printf "\nPOSIX: time -p /dev/null:\n"
time -p ${THIS_SH} /dev/null

printf "\nBSD time /dev/null:\n"
TIMEFORMAT=$'\t%1R real\t%1U user\t%1S sys'
time ${THIS_SH} /dev/null

printf "\nSYSV time /dev/null:\n"
TIMEFORMAT=$'\nreal\t%1R\nuser\t%1U\nsys\t%1S'
time ${THIS_SH} /dev/null

printf "\nksh time /dev/null:\n"
TIMEFORMAT=$'\nreal\t%2lR\nuser\t%2lU\nsys\t%2lS'
time ${THIS_SH} < /dev/null

time (:)
(time :)

times -x

printf "\ntimes:\n"
times
echo
times --

printf "\ntime standalone:\n"
{ time ; echo after; } |& wc -l

exit 0