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don't assume that zero size of a file in /sys actually means it's empty

This commit is contained in:
romkatv 2020-02-27 15:25:36 +01:00
parent bd921485fc
commit 56060f0bc1

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@ -1252,7 +1252,7 @@ _p9k_prompt_battery_init() {
return
fi
if [[ $_p9k_os != (Linux|Android) ||
-z /sys/class/power_supply/(BAT*|battery)/(energy_full|charge_full|charge_counter)(#qL+0N) ]]; then
-z /sys/class/power_supply/(BAT*|battery)/(energy_full|charge_full|charge_counter)(#qN) ]]; then
typeset -g "_p9k__segment_cond_${_p9k__prompt_side}[_p9k__segment_index]"='${:-}'
fi
}