51 lines
1.1 KiB
Bash
51 lines
1.1 KiB
Bash
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#!/usr/bin/env bash
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# Look through `upower --dump` to set this variable
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declare -r BATTERY_PATH="$1"
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declare -r WRITE_PATH="$2"
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if [[ $# -ne 2 ]]; then
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echo "USAGE: $(basename "$0") <battery-path> <csv-path>"
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exit 1
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elif [[ ! -e "$WRITE_PATH" && -d "$(dirname "$WRITE_PATH")" ]]; then
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echo "hostname,time,charge,percent,state" > "$WRITE_PATH"
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fi
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declare -r tmp_file="$(mktemp)"
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upower --dump > "$tmp_file"
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declare system_name="$(hostname)"
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declare current_time="$(date -u +"%Y-%m-%d %H:%M:%S UTC")"
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declare current_power="$(cat "$tmp_file" | awk '
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BEGIN { b = "'"$BATTERY_PATH"'"; t=0 }
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match($0, b) { t=1 }
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t && match($0, /energy:/) {
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split($0,a," ")
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print a[2]
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exit
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}')"
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declare current_percentage="$(cat "$tmp_file" | awk '
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BEGIN { b = "'"$BATTERY_PATH"'"; t=0 }
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match($0, b) { t=1 }
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t && match($0, /percentage:/) {
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split($0,a," ")
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print a[2]
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exit
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}')"
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declare current_state="$(cat "$tmp_file" | awk '
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BEGIN { b = "'"$BATTERY_PATH"'"; t=0 }
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match($0, b) { t=1 }
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t && match($0, /state:/) {
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split($0,a," ")
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print a[2]
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exit
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}')"
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echo "$system_name,$current_time,$current_power,$current_percentage,$current_state" >> "$WRITE_PATH"
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