#!/bin/sh

###
#
#            Name:  Uptime.sh
#     Description:  Returns the system uptime in seconds.
#         Created:  2017-01-04
#   Last Modified:  2020-07-08
#         Version:  2.1.1
#
#
# Copyright 2017 Palantir Technologies, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
###


########## variable-ing ##########



currentDate=$(/bin/date +%s)
bootDate=$(/usr/sbin/sysctl -n kern.boottime | /usr/bin/awk -F'[ ,]' '{print $4}')



########## main process ##########



# Get current uptime by subtracting last boot date from current date in seconds.
uptime=$(( currentDate - bootDate ))



# Report result.
echo "<result>$uptime</result>"



exit 0
