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weather (1581B)


      1 #!/bin/sh
      2 
      3 # Displays todays precipication chance (☔) and daily low (🥶) and high (🌞).
      4 # Usually intended for the statusbar.
      5 
      6 # If we have internet, get a weather report from wttr.in and store it locally.
      7 # You could set up a shell alias to view the full file in a pager in the
      8 # terminal if desired. This function will only be run once a day when needed.
      9 weatherreport="${XDG_DATA_HOME:-$HOME/.local/share}/weatherreport"
     10 getforecast() { curl -sf "wttr.in/$LOCATION" > "$weatherreport" || exit 1 ;}
     11 
     12 # Some very particular and terse stream manipulation. We get the maximum
     13 # precipication chance and the daily high and low from the downloaded file and
     14 # display them with coresponding emojis.
     15 showweather() { printf "%s" "$(sed '16q;d' "$weatherreport" |
     16 	grep -wo "[0-9]*%" | sort -rn | sed "s/^/☔/g;1q" | tr -d '\n')"
     17 sed '13q;d' "$weatherreport" | grep -o "m\\([-+]\\)*[0-9]\\+" | sort -n -t 'm' -k 2n | sed -e 1b -e '$!d' | tr '\n|m' ' ' | awk '{print " 🥶" $1 "°","🌞" $2 "°"}' ;}
     18 
     19 case $BLOCK_BUTTON in
     20 	1) setsid -f "$TERMINAL" -e less -Srf "$weatherreport" ;;
     21 	2) getforecast && showweather ;;
     22 	3) notify-send "🌈 Weather module" "\- Left click for full forecast.
     23 - Middle click to update forecast.
     24 ☔: Chance of rain/snow
     25 🥶: Daily low
     26 🌞: Daily high" ;;
     27 	6) "$TERMINAL" -e "$EDITOR" "$0" ;;
     28 esac
     29 
     30 # The test if our forcecast is updated to the day. If it isn't download a new
     31 # weather report from wttr.in with the above function.
     32 [ "$(stat -c %y "$weatherreport" 2>/dev/null | cut -d' ' -f1)" = "$(date '+%Y-%m-%d')" ] ||
     33 	getforecast
     34 
     35 showweather