faster exit on error

This commit is contained in:
Alexander Bocken 2020-11-07 23:52:40 +01:00
parent eeb2cd9e18
commit 9cdc596af2
Signed by: Alexander
GPG Key ID: 1D237BE83F9B05E8

View File

@ -17,12 +17,12 @@ for battery in /sys/class/power_supply/BAT?
do
# Get its remaining capacity and charge status.
capacity=$(cat "$battery"/capacity 2>/dev/null)
[ "$capacity" -gt 100 ] && exit #do not print misreads
[ -z "$capacity" ] && exit #if battery fails during reading, quit
status=$(sed "s/Discharging/🔋/;s/Not charging/🛑/;s/Charging/🔌/;s/Unknown/🔋/;s/Full/⚡/" "$battery"/status)
# If it is discharging and 25% or less, we will add a ❗ as a warning.
[ "$capacity" -le 25 ] && [ "$status" = "🔋" ] && warn="❗"
[ "$capacity" -gt 100 ] && exit #do not print misreads
[ -z "$capacity" ] && exit #if battery fails during reading, quit
[ "$capacity" -le 25 ] && [ "$status" = "🔋" ] && warn="❗"
printf "%s%s%s%%\n" "$status" "$warn" "$capacity"
unset warn
done | sed 's/ *$//'