autosnow.sh

#!/bin/bash

function handleConditions {
    Y=8
    W=false
    SF=100
    SNOWING=true
    case "$1" in
	"Light Snow" )
	    SF=100
	    ;;
	"Snow" )
	    SF=500
	    ;;
	"Heavy Snow" )
	    SF=1000
	    ;;
	"Light Snow Grains" )
	    SF=100
	    ;;
	"Snow Grains" )
	    SF=500
	    ;;
	"Heavy Snow Grains" )
	    SF=1000
	    ;;
	"Light Ice Crystals" )
	    SF=100
	    Y=100
	    ;;
	"Ice Crystals" )
	    SF=500
	    Y=100
	    ;;
	"Heavy Ice Crystals" )
	    SF=1000
	    Y=100
	    ;;
	"Light Ice Pellets" )
	    SF=100
	    Y=100
	    ;;
	"Ice Pellets" )
	    SF=500
	    Y=100
	    ;;
	"Heavy Ice Pellets" )
	    SF=1000
	    Y=100
	    ;;
	"Light Hail" )
	    SF=100
	    Y=100
	    ;;
	"Hail" )
	    SF=500
	    Y=100
	    ;;
	"Heavy Hail" )
	    SF=1000
	    Y=100
	    ;;
	"Light Low Drifting Snow" )
	    SF=100
	    W=true
	    ;;
	"Low Drifting Snow" )
	    SF=500
	    W=true
	    ;;
	"Heavy Low Drifting Snow" )
	    SF=1000
	    W=true
	    ;;
	"Light Blowing Snow" )
	    SF=100
	    W=true
	    ;;
	"Blowing Snow" )
	    SF=500
	    W=true
	    ;;
	"Heavy Blowing Snow" )
	    SF=1000
	    W=true
	    ;;
	"Light Snow Showers" )
	    SF=50
	    ;;
	"Snow Showers" )
	    SF=200
	    ;;
	"Heavy Snow Showers" )
	    SF=400
	    ;;
	"Light Snow Blowing Snow Mist" )
	    SF=50
	    W=true
	    ;;
	"Snow Blowing Snow Mist" )
	    SF=200
	    W=true
	    ;;
	"Heavy Snow Blowing Snow Mist" )
	    SF=400
	    W=true
	    ;;
	"Light Ice Pellet Showers" )
	    SF=50
	    Y=100
	    ;;
	"Ice Pellet Showers" )
	    SF=200
	    Y=100
	    ;;
	"Heavy Ice Pellet Showers" )
	    SF=400
	    Y=100
	    ;;
	"Light Hail Showers" )
	    SF=50
	    Y=100
	    ;;
	"Hail Showers" )
	    SF=200
	    Y=100
	    ;;
	"Heavy Hail Showers" )
	    SF=400
	    Y=100
	    ;;
	* )
	    SNOWING=false
esac
}

STATE=NY
CITY=New_York
API="http://api.wunderground.com/api/0d486af3b1a7e842/conditions/q/$STATE/$CITY.json"
PREVCONDS=""

while true
do
    CONDS=$(curl -s "$API" | grep \"weather\" | cut -d \" -f 4)
    if [ "$CONDS" != "$PREVCONDS" ]; then
    	handleConditions $CONDS
    	killall xsnow
    	if [ "$SNOWING" = true ]; then
    	    WINDFLAG="-nowind"
    	    if [ "$W" = true ]; then
    	    	WINDFLAG=""
    	    fi
    	    xsnow -nosanta -norudolf -windtimer 1 -snowflakes $SF -yspeed $Y $WINDFLAG &
    	fi
    	PREVCONDS="$CONDS"
    fi
    sleep 600
done