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https://github.com/kuhyx/testsAndMisc.git
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62 lines
1.3 KiB
Bash
Executable File
62 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# i3blocks CPU monitor, zero-fork per invocation.
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#
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# Reads /proc/loadavg and /sys/class/hwmon/*/temp*_input directly instead
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# of forking `sensors | awk | tr` and `echo | bc`. Pure bash builtins.
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set -u
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# Locate AMD k10temp or Intel coretemp hwmon node.
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hwmon=''
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for d in /sys/class/hwmon/hwmon*/; do
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[[ -r ${d}name ]] || continue
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read -r n < "${d}name"
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case $n in
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k10temp | coretemp)
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hwmon=$d
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break
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;;
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esac
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done
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temp='N/A'
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temp_int=-1
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if [[ -n $hwmon && -r ${hwmon}temp1_input ]]; then
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read -r milli < "${hwmon}temp1_input"
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temp_int=$((milli / 1000))
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temp=$temp_int
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fi
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load='N/A'
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load_x100=0
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if [[ -r /proc/loadavg ]]; then
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read -r one _ < /proc/loadavg
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load=$one
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# loadavg prints two decimals, e.g. "1.23" → 123, "0.05" → 5.
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load_digits=${one//./}
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load_digits=${load_digits##0}
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load_x100=$((10#${load_digits:-0}))
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fi
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color='#FFFFFF'
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if ((temp_int >= 0)); then
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if ((temp_int < 65)); then
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color='#50FA7B'
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elif ((temp_int < 85)); then
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color='#F1FA8C'
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else
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color='#FF5555'
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fi
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elif ((load_x100 > 0)); then
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if ((load_x100 < 100)); then
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color='#50FA7B'
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elif ((load_x100 < 200)); then
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color='#F1FA8C'
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else
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color='#FF5555'
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fi
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fi
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# Nerd Font glyph: microchip / CPU icon (U+F2DB).
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printf '<span color="%s">\uf2db %s°C, %s</span>\n' "$color" "$temp" "$load"
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