commit 16022dbb80e886e403c077fa0625dd3ba9743626 parent e5a840c41dea2fb7641fc726bdda8fa741a102de Author: Alex Balgavy <alex@balgavy.eu> Date: Sun, 13 Dec 2020 11:49:56 +0100 battery: cross-platform script to get battery info Former-commit-id: 937145150110cb79b6dadd856611a0dcc42251ac Diffstat:
| A | scripts/battery | | | 54 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 54 insertions(+), 0 deletions(-)
diff --git a/scripts/battery b/scripts/battery @@ -0,0 +1,54 @@ +#!/bin/sh +os=$(uname -s | tr '[:upper:]' '[:lower:]') +case "$os" in + linux*) + printf "Linux not yet supported.\n" + ;; + darwin*) + battstatus="$(pmset -g batt)" + percent="$(printf "%s" "$battstatus" | awk '/InternalBattery/ { print $3 }' | tr -d '%;')" + if { printf "%s" "$battstatus" | grep -q "from 'Battery Power'"; }; then state="battery"; + elif { printf "%s" "$battstatus" | grep -q "from 'AC Power'"; }; then state="charging"; + else printf "Could not determine state.\n" >&2; exit 1; fi + ;; + msys*|cygwin*|mingw*|nt|win*) + printf "Windows not yet supported.\n" + ;; + *) + printf "Operating system %s is unknown.\n" "$os" + ;; +esac + +while [ $(($#)) -ne 0 ]; do + case "$1" in + -p|--percent) + printf "%s" "$percent" + exit 0 + ;; + -s|--state) + printf "%s" "$state" + exit 0 + ;; + -h|--help) + echo "Usage: $0 [options]" + echo "Print information about the battery. Without any options, prints percent and state, on separate lines." + echo "Options:" + echo "-p percent" + echo "-s state (charging or battery)" + echo "-h print this help text" + exit 0 + ;; + --) # end arg parsing + shift + break + ;; + -*) # unsupported flags + echo "Unsupported flag $1" >&2 + exit 1 + ;; + *) # preserve positional arguments + break + ;; + esac +done +printf "%s\n%s" "$percent" "$state"