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Added fileExists()

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This commit is contained in:
Lucas Hernán Tarche 2021-07-04 10:10:25 -03:00
parent 7ed0fc7522
commit 16772da504
1 changed files with 13 additions and 4 deletions
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17
simple/widgets/system_resources.lua
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@ -34,6 +34,15 @@ local bars = wibox.widget {
layout = wibox.layout.flex.horizontal layout = wibox.layout.flex.horizontal
} }
function fileExists(name)
local f = io.open(name, "r")
if f ~= nil then
io.close(f)
return true
end
return false
end
function readCommand(command) function readCommand(command)
local handle = io.popen(command, "r") local handle = io.popen(command, "r")
local r = handle:read("*a") local r = handle:read("*a")
@ -151,12 +160,12 @@ function getBatteryCapacity()
local capacity = 0 local capacity = 0
for b in getBatteries() do for b in getBatteries() do
if b:sub(1,3) ~= 'hid' and readCommand("cat /sys/class/power_supply/" .. b .. "/type"):match("Battery") then if b:sub(1,3) ~= 'hid' and readCommand("cat /sys/class/power_supply/" .. b .. "/type"):match("Battery") then
if type(readCommand("cat /sys/class/power_supply/" .. b .. "/energy_now")) == "string" then if fileExists("/sys/class/power_supply/" .. b .. "/energy_now") then
charge = charge + readCommand("cat /sys/class/power_supply/" .. b .. "/charge_now")
capacity = capacity + readCommand("cat /sys/class/power_supply/" .. b .. "/charge_full")
else
charge = charge + readCommand("cat /sys/class/power_supply/" .. b .. "/energy_now") charge = charge + readCommand("cat /sys/class/power_supply/" .. b .. "/energy_now")
capacity = capacity + readCommand("cat /sys/class/power_supply/" .. b .. "/energy_full") capacity = capacity + readCommand("cat /sys/class/power_supply/" .. b .. "/energy_full")
else
charge = charge + readCommand("cat /sys/class/power_supply/" .. b .. "/charge_now")
capacity = capacity + readCommand("cat /sys/class/power_supply/" .. b .. "/charge_full")
end end
end end
end end