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Avoid writing to files when obtaining the battery level --- use pipes instead.

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This commit is contained in:
Tigran Aivazian 2012-09-18 23:36:01 +01:00
parent a2cb1745d6
commit c43fb549d3
1 changed files with 5 additions and 8 deletions
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13
filechooser.lua
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@ -55,15 +55,12 @@ function getProperTitleLength(txt,font_face,max_width)
end
function BatteryLevel()
local fn, battery = "/tmp/kindle-battery-info", "?"
-- NuPogodi, 18.05.12: This command seems to work even without Amazon Kindle framework
os.execute("gasgauge-info -s 2> /dev/null > "..fn)
if io.open(fn,"r") then
for lines in io.lines(fn) do battery = " " .. lines end
else
battery = ""
end
return battery
local cmd="gasgauge-info -s 2> /dev/null"
local p = assert(io.popen(cmd, "r"))
local battery = assert(p:read("*a"))
p:close()
return string.gsub(battery, "[\n\r]+", "")
end
function DrawTitle(text,lmargin,y,height,color,font_face)