#!/bin/bash
api_url=$(curl -s -X GET "https://nightscout.mgrote.net/api/v1/entries/sgv?count=1&token=polybar-ae6fe2720f2c30f4")
#echo $api_url
if [ $? -ne 0 ]; then
    echo "---"
else
   symbol=$(echo  $api_url | awk '{print $4}')
   #echo $symbol
   wert=$(echo $api_url | awk '{printf "%.1f\n",$3*0.0555}')
   #echo $wert
   case  $symbol  in
        '"Flat"')
            echo $wert "="
            ;;
        '"FortyFiveDown"')
            echo $wert "-"
            ;;
        *)
            echo $symbol
            ;;
    esac
fi