cpu temp widget in awesome wm

I recently started using awesome wm version 4.2 and really like it; has significantly improved my workflow. I tried some themes like copycats and others but they're too fancy for me. I like the default configuration and been reading here: https://awesomewm.org/apidoc/index.html as well the rc.lua and theme.lua files from copycats and others and have implemented some of those; keybindings, layout manipulation, startup programs. I wanted to create a widget showing cpu temp, and I made it following intructions from here https://awesomewm.org/apidoc/classes/awful.widget.watch.html like this:

wibox.widget.textbox(' | '), awful.widget.watch( 'bash -c "cat/sys/class/hwmon/hwmon0/device/temp1_input"', 15), wibox.widget.textbox(' | '), awful.widget.watch( 'bash -c "cat /sys/class/hwmon/hwmon0/device/temp3_input"', 15),

It works, but it shows big numbers i.e 43000 instead of 43. How can I change that? and if possible 43°C.

1 Answer
1

If you get the correct number and just want to divide it by 1000, you can use the optional callback:

awful.widget.watch('bash -c "cat /sys/class/hwmon/hwmon0/device/temp1_input"', 15, function(widget, s) widget:set_text(tonumber(s)/1000) end)

Thanks for yur answer. I tried your suggestion but then no values are shown. Check in here: imgur.com/FSvnzyY

– Moltke
Sep 9 '18 at 3:24

it seems like the callback takes two parameters instead of one and there was space missing between cat and the filename, so I updated the example to fix both. If it still doesn't work, show the content of temp1_input file.

– Paul Kulchenko
Sep 9 '18 at 3:31

cat

temp1_input

Same result; no temp values are shown. The content of temp1_input is a number, right now is 43000 and if close and open again it's another higher or lower one. Thanks for your answer.

– Moltke
Sep 9 '18 at 3:41

Ok, updated the example with setting the explicit value for the widget.

– Paul Kulchenko
Sep 9 '18 at 4:08

Thanks a lot! that worked! check it out: imgur.com/d2WwG9j

– Moltke
Sep 9 '18 at 4:47

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