From 738d365231d081076abaee6a31fae989edf50d8d Mon Sep 17 00:00:00 2001
From: ndwarshuis <ndwar@yavin4.ch>
Date: Sun, 7 Jan 2024 11:06:51 -0500
Subject: [PATCH] ADD kinda useless battery monitor script in case I want it
 later

---
 scripts/batmon | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 scripts/batmon

diff --git a/scripts/batmon b/scripts/batmon
new file mode 100755
index 0000000..8544cde
--- /dev/null
+++ b/scripts/batmon
@@ -0,0 +1,22 @@
+#! /bin/bash
+
+# small script to log battery usage in txt file for conky to parse
+# lovingly stolen from battery-stats by petter reinholdtsen
+
+DST_FILE="$XDG_CACHE_HOME/batmon.log"
+SYS_BAT_PATH="/sys/class/power_supply/BAT0"
+BAT_CAP_PATH="$SYS_BAT_PATH/charge_now"
+BAT_CAP_FULL_PATH="$SYS_BAT_PATH/charge_full"
+MAX_ENTRIES=1440 # number of minutes in day
+
+read_bat_percent() {
+	timestamp=$(date +%s)
+	charge_now=$(cat "$BAT_CAP_PATH")
+	charge_full=$(cat "$BAT_CAP_FULL_PATH")
+	percent=$(echo "100 * $charge_now / $charge_full" | bc)
+	echo $timestamp $percent >> "$DST_FILE"
+}
+
+read_bat_percent
+# truncate to most recent entries by max_entries
+tail -n $MAX_ENTRIES "$DST_FILE" > /tmp/batmon.tmp.log && mv /tmp/batmon.tmp.log "$DST_FILE"