add temp-percore

polybar-scripts/temp-percore/README.md

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+# Script: temp-percore
+
+A script that displays the temperature for each core. You need [lm_sensors](https://archlinux.org/packages/lm_sensors). See the wiki to find out [how to configure](https://wiki.archlinux.org/index.php/lm_sensors) it.
+
+## Module
+
+```
+[module/temp-percore]
+type = custom/script
+exec = ~/polybar-scripts/temp-percore.sh
+interval = 60
+exec-if = sensors
+```

polybar-scripts/temp-percore/temp-percore.sh

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+#!/bin/sh
+
+sensors | grep Core | awk '{print substr($3, 2, length($3)-5)}' | tr '\n' ' ' | sed 's/ /°C  /g' | sed 's/  $//'