diff options
| -rw-r--r-- | 99-on-battery-time.rules | 12 | ||||
| -rw-r--r-- | README | 6 | ||||
| -rwxr-xr-x | on-battery-time.sh | 50 | ||||
| -rwxr-xr-x | onac.sh | 4 | ||||
| -rwxr-xr-x | onbattery.sh | 4 |
5 files changed, 76 insertions, 0 deletions
diff --git a/99-on-battery-time.rules b/99-on-battery-time.rules new file mode 100644 index 0000000..0ad6f8d --- /dev/null +++ b/99-on-battery-time.rules @@ -0,0 +1,12 @@ +# Rule for when switching to battery +# File: /etc/udev/rules.d/99-on-battery-time.rules +# References: +# http://www.reactivated.net/writing_udev_rules.html +# https://opensourceforu.com/2012/06/some-nifty-udev-rules-and-examples/ +# https://superuser.com/questions/1417292/udev-rule-to-start-a-command-on-ac-battery-plug-unplug-event +# https://bbs.archlinux.org/viewtopic.php?id=136396 +# https://duckduckgo.com/?q=linux+how+long+has+laptop+been+running+on+battery+-life&ia=web +SUBSYSTEM!="power_supply", GOTO="onbattery_end" +ENV{POWER_SUPPLY_ONLINE}=="0", RUN+="/usr/local/bin/onbattery.sh" +ENV{POWER_SUPPLY_ONLINE}=="1", RUN+="/usr/local/bin/onac.sh" +LABEL="onbattery_end" @@ -0,0 +1,6 @@ +Futureimprovements +* add docs +* document dependencies +* build makefile +* build rpm +* build dpkg diff --git a/on-battery-time.sh b/on-battery-time.sh new file mode 100755 index 0000000..6e901dc --- /dev/null +++ b/on-battery-time.sh @@ -0,0 +1,50 @@ +#!/bin/sh +# File: /usr/local/bin/on-battery-time.sh +# Author: bgstack15 +# Startdate: 2019-06-09 22:35 +# Title: Report how long this system has been on battery or AC power +# Package: on-battery-time +# Purpose: +# History: +# Usage: +# Reference: +# https://stackoverflow.com/questions/12199631/convert-seconds-to-hours-minutes-seconds/18683834#18683834 +# Improve: +# Dependencies: +# bc +# date +# the udev rules from 99-on-battery-time.rules +# Documentation: + +OBT_INFILE=/var/log/battery.log + +# FUNCTIONS +convertsecs() { + _h=$( expr $1 / 3600 ) + _m=$( expr $1 % 3600 / 60 ) + _s=$( expr $1 % 60 ) + printf "%02d:%02d:%02d\n" ${_h} ${_m} ${_s} +} + +# learn most recent utility time +last_utility_time="$( { tac "${OBT_INFILE}" | awk '/utility power/{print $2}' ; echo 0 ; } | head -n1 )" + +# learn most recent battery time +last_battery_time="$( { tac "${OBT_INFILE}" | awk '/on battery/{print $2}' ; echo 0 ; } | head -n1 )" + +# learn current time +OBT_current_time="$( date "+%s" )" + +if test ${last_utility_time} -ge ${last_battery_time} ; +then + OBT_last="${last_utility_time}" + OBT_phrase="utility power" +else + OBT_last="${last_battery_time}" + OBT_phrase="on battery" +fi + +OBT_seconds="$( printf "%s-%s\n" "${OBT_current_time}" "${OBT_last}" | bc )" + +printf "%s seconds: %s\n" "${OBT_phrase}" "${OBT_seconds}" +convertsecs "${OBT_seconds}" @@ -0,0 +1,4 @@ +#!/bin/sh +# File: /usr/local/bin/onac.sh +# the hash-bang is vital for eudev to be able to execute this script. +date -u "+$( hostname -s ) %s %FT%TZ now using utility power" >> /var/log/battery.log diff --git a/onbattery.sh b/onbattery.sh new file mode 100755 index 0000000..51b0e4e --- /dev/null +++ b/onbattery.sh @@ -0,0 +1,4 @@ +#!/bin/sh +# File: /usr/local/bin/onbattery.sh +# the hash-bang is vital for eudev to be able to execute this script. +date -u "+$( hostname -s ) %s %FT%TZ now running on battery" >> /var/log/battery.log |