Fix battcheck when CURRENT_NOW is 0/empty

1 files changed, 5 insertions, 3 deletions

diff --git a/battcheck b/battcheck
index 4a6ce1f..c047549 100755
--- a/battcheck
+++ b/battcheck
@@ -1,12 +1,14 @@
 #!/bin/awk -f
-# Copyright (C) 2020 Tomasz Kramkowski <tk@the-tk.com>
+# Copyright (C) 2020, 2025 Tomasz Kramkowski <tk@the-tk.com>
 # SDPX-License-Identifier: MIT
 BEGIN { FS = "=" }
 { a[substr($1, 14)] = $2 }
 END {
 	if (a["STATUS"] != "Discharging") exit 0
-	time_left = a["ENERGY_NOW"] / a["POWER_NOW"] * 3600
-	if (min_time && time_left < min_time) exit 1
+	if (+a["CURRENT_NOW"] != 0) {
+		time_left = a["CHARGE_NOW"] / a["CURRENT_NOW"] * 3600
+		if (min_time && time_left < min_time) exit 1
+	}
 	if (min_pct && a["CAPACITY"] < min_pct) exit 1
 	exit 0
 }