onli/izuli Secret

## izuli
#!/bin/bash

# izulu - Change the wallpaper according to the weather
#
# Copyright (C) 2009 Malte Paskuda
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.

# get current weather
# $1: city to look for
# return: current weather
getWeather() {
    local woeid="$1"

    local api_output=$(getYahooXML "$woeid")
    echo "$api_output" | xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m '/rss/channel/item/yweather:condition' -v '@code'
}

# get WOEID uesed for as location by Yahoo
# $1: city
# return: WOEID
getYahooWOEID() {
    local city="$1"

    appid="LEQaKB_V34Gzu4on4L8hrqQSisKQ0H_ixtcixDoSZFA3yznADUGphzvJSdKZ0vBIJunqxchI1m0-"
    woeid=$(wget -O - -q "http://where.yahooapis.com/v1/places.q($city)?appid=$appid")

    echo "$woeid" | xml_grep --text_only '/places/place/woeid'
}

# get current weather from yahoo
# $1: woeid
# return: full xml-response
getYahooXML() {
    local woeid="$1"

    local yahooWeather=$(wget -O - -q "http://weather.yahooapis.com/forecastrss?w=$woeid&u=c")
    echo "$yahooWeather"
}

# get date of sunrise from yahoo
# $1: output of the yahoo weather feed
# return: sunrise
getSunrise() {
    local api_output="$1"

    echo "$api_output" | xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m '/rss/channel/yweather:astronomy' -v '@sunrise'
}

# get date of sunset from yahoo
# $1: output of the yahoo weather feed
# return: sunset
getSunset() {
    local api_output="$1"

    echo "$api_output" | xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m '/rss/channel/yweather:astronomy' -v '@sunset'
}

# map forecast-code to one of the icons
chooseForecastIcon() {
    forecast="$1"
    case "$forecast" in
        "19" | "20" | "21" | "22" | "23" | "24" | "25" | "26")
            echo "forecast_cloud"
            ;;
        "27" | "28" | "29" | "30" | "33" | "34" | "44")
            echo "forecast_sunnycloud"
            ;;
        "6" | "8" | "9" | "10" | "11" | "12" | "17" | "18" | "35" | "40")
            echo "forecast_rain"
            ;;
        "31" | "32" | "36")
            echo "forecast_sun"
            ;;
        "5" | "7" | "13" | "14" | "15" | "16" | "41" | "42" | "43" | "46")
            echo "forecast_snow"
            ;;
        "0" | "1" | "2" | "3" | "4" | "37" | "38" | "39" | "45" | "47")
            echo "forecast_thunderstorm"
            ;;
    esac

}

# set the wallpaper according to the weather
# $1: current weather
chooseWallpaper() {
    local weather="$1"

    case "$weather" in
        # Sun:
        "33" | "34")
            setWallpaper "mostly_sunny" "gen_sun"
            ;;

        "31" | "32" | "36")
            setWallpaper "clear" "gen_sun"
            ;;

        # Clouds:
        "29" | "30" | "44")
            setWallpaper "partly_cloudy" "gen_cloud"
            ;;

        "27" | "28")
            setWallpaper "mostly_cloudy" "gen_cloud"
            ;;

        "26")
            setWallpaper "cloudy" "gen_cloud"
            ;;

        # Rain:
        "40")
            setWallpaper "chance_of_rain" "gen_rain"
            ;;

        "9" | "8")
            setWallpaper "drizzle" "gen_rain"
            ;;

        "6")
            setWallpaper "light_rain" "gen_rain"
            ;;

        # "Showers")
        "11" | "12")
            setWallpaper "showers" "gen_rain"
            ;;
        "10")
            setWallpaper "rain" "gen_rain"
            ;;
        # "Hail")
        "17" | "35")
            setWallpaper "hail" "gen_rain"
            ;;
        # "Thunderstorm")
        "4" | "3" | "37" | "38" | "39" | "44" | "45" | "47")
            setWallpaper "thunderstorm" "gen_rain"
            ;;

        # Snow:
        "18" | "7")
            setWallpaper "sleet" "gen_snow"
            ;;
        "14"| "5" |"25")
            setWallpaper "light_snow" "gen_snow"
            ;;

        "16" | "13" | "15" | "41" | "43")
            setWallpaper "snow" "gen_snow"
            ;;

        "46" | "42")
            setWallpaper "snow_showers" "gen_snow"
            ;;

        # Wind:
        "23" | "24")
            setWallpaper "windy" "gen_wind"
            ;;
        "0")
            setWallpaper "tornado" "gen_wind"
            ;;
        "1")
            setWallpaper "tropicalstorm" "gen_wind"
            ;;
        "2")
            setWallpaper "hurricane" "gen_wind"
            ;;

        # Misc:
        "19")
            setWallpaper "dust" "gen_misc"
            ;;
        "20")
            setWallpaper "fog" "gen_misc"
            ;;
        "21")
            setWallpaper "haze" "gen_misc"
            ;;
        "22")
            setWallpaper "smoky" "gen_misc"
            ;;
        *)
            if [ "$LOG" == "TRUE" ];then
                echo "^-> UNKNOWN!" >> "$HOME"/izululog
            fi
            ;;
    esac
}

#Choose the wallpaper
#$1: the image for the specific state
#$2: the image for the generic state, fallback
#$3: If set to anything, random-mode will not be triggered
setWallpaper() {
    local specific="$1"
    local generic="$2"
    local random_override="$3"

    if [[ -n "$current" ]];then
        if [ "$current" == "$specific" ];then
            if [ ! "$TEMPERATURE" == "TRUE" ] && [ ! "$SWISS_RADAR" == "TRUE" ] && [ ! "$GERMAN_RADAR" == "TRUE" ] && [ ! "$RADAR" == "TRUE" ];then
                #no dynamic features, so no change necessary
                return
            fi
        fi
    fi
    current="$specific"

    if [ "$RANDOMLY" == "TRUE" ] && [[ -z "$random_override" ]];then
        random_image=$(cycleWallpaper "$specific" "$generic")
        if [[ -n "$random_image" ]];then
            setImage "$random_image" &
        fi
        return
    fi

    if ! isDay &&  [ "$NIGHT" == "TRUE" ];then
        image_specific="$specific"_night
        image_generic="$generic"_night
    else
        image_specific="$specific"
        image_generic="$generic"
    fi

    if [[ -e "$HOME"/.izulu/"$image_specific" ]];then
        setImage "$HOME"/.izulu/"$image_specific"
    else
        if [[ -e /usr/share/izulu/"$image_specific" ]];then
            setImage /usr/share/izulu/"$image_specific"
        else
            if [[ -e "$HOME"/.izulu/"image_generic" ]];then
                setImage "$HOME"/.izulu/"$image_generic"
            else
                setImage /usr/share/izulu/"$image_generic"
            fi
        fi
    fi

    if [ "$OSD" == "TRUE" ];then
        osdNotify "$specific"
    fi
}

# set the Wallpaper
# $1 the wallpaperfile
setImage() {
    local api_output=$(getYahooXML "$WOEID")
    local tmpimage=$(mktemp)
    # store for later merge - and to be able to write
    cp "$1"  "$tmpimage"
    if [ "$PREVIEW" == "TRUE" ];then
        for i in {1..5};do
            # merge preview-icons with background-image
            local forecast=$(echo "$api_output" | xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m "/rss/channel/item/yweather:forecast[$i]" -v '@code')
            local icon=$(chooseForecastIcon "$forecast")
            local tmpicon=$(mktemp)
            cp "/usr/share/izulu/$icon" "$tmpicon"
            local day=$(echo "$api_output" | xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m "/rss/channel/item/yweather:forecast[$i]" -v '@day')
            convert "$tmpicon" -gravity South -background '#0000' -fill grey -font Helvetica -pointsize 16 -splice 0x24  -annotate +0+2 "$day" "$tmpicon"

            # at least +20 y height to be above typical taskbar
            convert -depth 8 -gravity SouthEast -geometry +$((330-i*64))+20 "$tmpimage" "$tmpicon" -composite "$tmpimage"
            # TODO: Center text
            # convert -gravity SouthEast "$tmpimage" -font Helvetica -antialias -pointsize 16 -fill grey -draw "text $((335-i*64)),20 $day" "$tmpimage"

        done
    fi

    if [ "$TEMPERATURE" == "TRUE" ];then
        local temperature=$(echo "$api_output" | xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m "/rss/channel/item/yweather:condition" -v '@temp')
        convert -gravity SouthWest "$tmpimage" -font Helvetica -pointsize 36 -fill grey -annotate 0x20+20+20 "$temperature °C" "$tmpimage"
    fi

    addRadar "$tmpimage"

    cp "$tmpimage" "$HOME"/.izulu/izulucurrent
    rm "$tmpimage"
    if [  "${WPCOMMAND:${#WPCOMMAND}-1}" == "/" ];then
        ${WPCOMMAND}"$HOME/.izulu/izulucurrent" &
    else
        $WPCOMMAND "$HOME/.izulu/izulucurrent" &
    fi
}

addRadar() {
    local tmpimage="$1"
    if [ "$SWISS_RADAR" == "TRUE" ];then
        addSwissImage "$tmpimage" warning radar
        return
    fi
    if [ "$GERMAN_RADAR" == "TRUE" ];then
        addGermanImage "$tmpimage" warning radar
        return
    fi
    if [ "$RADAR" == "TRUE" ];then
        if contains "${RADAROPTIONS[*]}" "germany";then
            local country="DE"
        elif contains "${RADAROPTIONS[*]}" "swiss";then
            local country="CH"
        else
            local country=$(getCountry)
        fi
        if ! contains "${RADAROPTIONS[*]}" "radar" &&  ! contains "${RADAROPTIONS[*]}" "warning";then
            local options=("warning" "radar")
        else
            local options=()
            for image in ${RADAROPTIONS[*]};do
                if [ "$image" == "radar" ] || [ "$image" == "warning" ];then
                    options[${#options[*]}]="$image"
                fi
            done
        fi
        if [ "$country" == "DE" ];then
            addGermanImage "$tmpimage" ${options[*]}
        elif [ "$country" == "CH" ];then
            addSwissImage  "$tmpimage" ${options[*]}
        fi
    fi
}

addGermanImage() {
    local i=0
    local tmpimage="$1"
    for image in $*;do
        let i++
        if [ "$image" == "warning" ];then
            local wetteralarm=$(mktemp)
            wget -O - -q http://www.dwd.de/dyn/app/ws/maps/DE_teaser_x_x_0.gif > "$wetteralarm"
            convert "$wetteralarm" -resize 178 "$wetteralarm"
            if [ $i == 2 ];then
                composite -gravity SouthEast -geometry +2+128 "$wetteralarm" "$tmpimage" "$tmpimage"
            else
                composite -gravity SouthEast -geometry +2+377 "$wetteralarm" "$tmpimage" "$tmpimage"
            fi
            rm "$wetteralarm"
        fi
        if [ "$image" == "radar" ];then
            local radarimage=$(mktemp)
            wget -O - -q ftp://ftp.dfd.dlr.de/put/wetterbilder/Central_Europe/image1.jpg > "$radarimage"
            #grab germany from the image of europe:
            convert "$radarimage" -crop 650x900+274+120 "$radarimage"
            convert "$radarimage" -resize 178 "$radarimage"
            if [ $i == 2 ];then
                composite -gravity SouthEast -geometry +2+128 "$radarimage" "$tmpimage" "$tmpimage"
            else
                composite -gravity SouthEast -geometry +2+367 "$radarimage" "$tmpimage" "$tmpimage"
            fi
            rm "$radarimage"
        fi
    done
}

addSwissImage() {
    local i=0
    local tmpimage="$1"
    for image in $*;do
        let i++
        if [ "$image" == "warning" ];then
            local wetteralarm=$(mktemp)
            wget -O - -q http://www.wetteralarm.ch/uploads/tx_namicswawetterkarte/bilder/wetterkarten/all_klein.jpg > "$wetteralarm"
            convert "$wetteralarm" -resize 178 "$wetteralarm"
            if [[ $i -eq 2 ]];then
                composite -gravity SouthEast -geometry +2+128 "$wetteralarm" "$tmpimage" "$tmpimage"
            else
                composite -gravity SouthEast -geometry +2+245 "$wetteralarm" "$tmpimage" "$tmpimage"
            fi
            rm "$wetteralarm"
        fi
    done
}

contains() {
    list=("$1")
    element="$2"
    if [ "$(echo ${list[*]} | grep "$element")" == "" ];then
        return 1
    else
        return 0
    fi
}

#send onscreen-notfication if weather changed
#$1: message, new weather-state
osdNotify() {
    if [[ -z "$last_state" ]] || [ "$last_state" != "$1" ];then
        if command -v notify-send > /dev/null;then
           notify-send "izulu" "$(gettext "$1")"
        else
            echo "notify-send not installed, but osd via -o requested." \
                 "Install libnotify-bin to use the osd."
        fi
    fi
    last_state="$1"
}

#choose randomly a wallpaper
#$1: wallpaper-category
#return: wallpaper to set
cycleWallpaper() {
    local specific="$1"
    local generic="$2"

    case "$generic" in
        "gen_sun")
            RANDOMDIR="$RANDOMSUNDIR"
            ;;
        "gen_cloud")
            RANDOMDIR="$RANDOMCLOUDDIR"
            ;;
        "gen_rain")
            RANDOMDIR="$RANDOMRAINDIR"
            ;;
        "gen_snow")
            RANDOMDIR="$RANDOMSNOWDIR"
            ;;
        "gen_misc")
            RANDOMDIR="$RANDOMMISCDIR"
            ;;
    esac

    if [[ -z "$RANDOMDIR" ]];then
        setWallpaper "$specific" "$generic" "TRUE"
        return 1
    fi
    local pictures=()
    for picture in "$RANDOMDIR"/*;do
        pictures+=("$picture")
    done
    local chosen=$RANDOM
    let "chosen %= ${#pictures[*]}"
    echo "${pictures[$chosen]}"
}


#get current time via the last_build_date, which is not necesseraly the
#current time
getCurrentTime() {
    local api_output="$1"

    local build_date=$(echo "$api_output" | xmlstarlet sel -t -m /rss/channel/lastBuildDate -v '.')
    local build_time=$(echo $build_date | sed 's/.*\(..:.....\).*/\1/')

#12:20 pm hast to be caught and converted to 00:20 pm
    if [ "$(echo ${build_time:6})" = "pm" ] && [ "$(echo ${build_time:0:2})" = "12" ];then
        build_time="${build_time/12/00}"
    fi

#12:20 am hast to be caught and converted to 00:20 am
    if [ "$(echo ${build_time:6})" = "am" ] && [ "$(echo ${build_time:0:2})" = "12" ];then
        build_time="${build_time/12/00}"
    fi

    build_time=$(makeComparable "$build_time")

    echo "$build_time"
}

#Check if currently daylight is seen
isDay() {
    #if $YAHOOID not set, it would otherwise be always night
    if  [[ -z "$WOEID" ]];then
        return 0
    fi
    local api_output=$(getYahooXML "$WOEID")

    #if yahoo unreachable it is day for now
    if [[ -z "$api_output" ]];then
        return 0
    fi
    local build_time=$(getCurrentTime "$api_output")

    #set cur_time at the first iteration:
    if [[ -z "$cur_time" ]];then
        cur_time="$build_time"
    fi

    local sunrise=$(getSunrise "$api_output")
    local sunset=$(getSunset "$api_output")

    sunrise=$(makeComparable "$sunrise")
    sunset=$(makeComparable "$sunset")

    #Sounds strange, but some cities don't build the rss-feed over
    #night, the last time a few minutes before sunset. First Workaround:
    local sunset=$((sunset - 5))

    #Second Workaround, for daemon-mode: If build_time equals
    #last_build_time, then add interval to cur_time
    if [[ "$build_time" -eq "$last_build_time" ]];then
        if [[ -z "$INTERVAL" ]];then
            INTERVAL=900
        fi
        local minute_interval=$(($INTERVAL / 60))
        cur_time=$(timeadd $cur_time $minute_interval)
    else
        cur_time="$build_time"
    fi
     last_build_time="$build_time"

    if [[ $cur_time -gt $sunrise ]] && [[ $cur_time -lt $sunset ]];then
        #it's day
        return 0
    else
        #it's night
        return 1
    fi
}

#translate a time in format 08:33 pm into 0833, add 1200 if pm and
#convert in minutes NOTE: Probably should've used date
#$1: the time
#return: comparable time in minutes
makeComparable() {
    local time="$1"

    if [[ -n "$(echo $time | grep am)" ]];then
        #it's am
        #remove all non-digits:
        time=${time//[a-z: ]/}
    else
        #it's pm, must add 1200
        time=${time//[a-z: ]/}
        time=$((10#$time + 1200))
    fi
    local length=${#time}
    if [[ "$length" -eq 3 ]];then
        #1:30
        local hours=${time:0:1}
        local minutes=${time:1:2}
    else
        #11:30
        local hours=${time:0:2}
        local minutes=${time:2:2}
    fi
    time=$((10#$hours * 60 + 10#$minutes))
    echo $time
}

#add time in minutes, react to overflow at 1440
timeadd() {
    local time=$(($1 + $2))
    if [[ $time -gt 1440 ]];then
        time=$((10#$time - 1440))
    fi
    echo $time
}

#daemon-mode
monitor() {
    while true;do
        if [[ -z "$INTERVAL" ]];then
            INTERVAL=3600   # ttl in yahoo xml is 60 minutes, so use this as default
        fi

        sleep $INTERVAL

        local weather=$(getWeather "$WOEID")
        if [[ "$LOG" == "TRUE" ]];then
            echo "$weather" >> "$HOME"/izululog
        fi
        chooseWallpaper "$weather"
    done
}


setWOEID() {
    local city="$1"
    if [[ -z "$WOEID" ]];then
        WOEID=$(getYahooWOEID "$city")
    fi
}

#determine the city via the geoip-api
getCity() {
    ipApiLookup=$(wget -O - -q "http://freegeoip.net/xml/")
    local city=$(echo "$ipApiLookup" | xml_grep --text_only '/Response/City')
    if command -v notify-send >/dev/null;then
        notify-send -u low "izulu" "$city"
    fi
    echo $city
}

#determine the county via the geoip-api
getCountry() {
    ipApiLookup=$(wget -O - -q "http://freegeoip.net/xml/")
    local country=$(echo "$ipApiLookup" | xml_grep --text_only '/Response/CountryCode')
    #if command -v notify-send >/dev/null;then
    #    notify-send -u low "izulu" "$city"
    #fi
    echo $country
}

#check in which environment we run to select a command to set a wallpaper
getWPCommand() {
    #partly taken from xdg-open
    if [ x"$DESKTOP_SESSION" = x"ubuntu"  ] || [ x"$DESKTOP_SESSION" = x"ubuntu-2d" ];then
	notify-send "ubuntu"
	gsettings set org.gnome.desktop.background picture-options "stretched"
        echo "gsettings set org.gnome.desktop.background picture-uri file://"
    elif [ x"$GNOME_DESKTOP_SESSION_ID" != x"" ] || [ x"$DESKTOP_SESSION" = x"gnome" ];then
        if command -v gnome-about > /dev/null; then
	    notify-send "gnome 2"
            echo "gconftool --type string -s /desktop/gnome/background/picture_filename"
        else
            notify-send "gnome 3"
            gsettings set org.gnome.desktop.background picture-options "stretched"
            echo "gsettings set org.gnome.desktop.background picture-uri file://"
        fi
    elif xprop -root _DT_SAVE_MODE | grep ' = \"xfce4\"$' >/dev/null 2>&1; then
	notify-send "xfce"
        echo "xfdesktop --reload"
    elif command -v Esetroot > /dev/null; then
	notify-send "Esetroot"
        echo "Esetroot -scale"
    elif command -v feh > /dev/null; then
	notify-send "feh"
        echo "feh --bg-scale"
    elif command -v display > /dev/null; then
	notify-send "display"
        echo "display -window root"
    else
	notify-send "else"
        echo "gconftool --type string -s /desktop/gnome/background/picture_filename"
    fi
}

checkConfig() {
    if [[ ! -d "$HOME/.izulu/" ]];then
        mkdir "$HOME/.izulu/"
    fi
    if [[ ! -e "$HOME/.izulu/config" ]];then
        echo "WPCOMMAND=\"\"   #command to set the wallpaper
CITY=\"\"
WOEID=\"\"            #WOEID for Yahoo, the nightmode, if automatic fails
WIND=\"\"
SWISS_RADAR=\"\"
RANDOMSUNDIR=\"\"   #Directories with pictures to randomly pick one
RANDOMCLOUDDIR=\"\"
RANDOMRAINDIR=\"\"
RANDOMSNOWDIR=\"\"
RANDOMMISCDIR=\"\"" > "$HOME/.izulu/config"
    fi

}

readConfig() {
    source "$HOME"/.izulu/config
}

checkConfig
readConfig

#read arguments
while [[ $# -gt 0 ]] ; do
    parm="$1"
    shift

    case "$parm" in
        -c | --city)
            CITY="$1"
            ;;
        -d | --daemon)
            MONITOR=TRUE
            ;;
        -i | --interval)
            INTERVAL="$1"
            ;;
        -l | --log)
            LOG=TRUE
            ;;
        -r | --random)
            RANDOMLY=TRUE
            ;;
        -n | --night)
            NIGHT=TRUE
            ;;
        -o | --osd)
            OSD=TRUE
            ;;
        -p | --preview)
           PREVIEW=TRUE
           ;;
        -t | --temperature)
           TEMPERATURE=TRUE
           ;;
        -wid | --woeid)
           WOEID="$1"
           ;;
        -w | --wind)
           WIND=TRUE
           ;;
        -gr | --german-radar)
            GERMAN_RADAR=TRUE
            ;;
        -sr | --swiss-radar)
           SWISS_RADAR=TRUE
           ;;
        -rd | --radar)
            RADAR=TRUE
            RADAROPTIONS=()
            for option in $*;do
                if [ "${option:0:1}" == "-" ];then
                    #this option dont belongs to the radarswitch anymore
                    break
                else
                    RADAROPTIONS[${#RADAROPTIONS[*]}]="$option"
                    shift
                fi
            done
            ;;
        --help)
            echo "-c city, --city city:
    Set the city with the relevant weather, e.g Berlin.
-d, -daemon:
    Enable daemon-mode, check the weather every 15 minutes.
-gr, --german-radar
    Shortcut: All german rader images.
-i interval, --interval interval:
    Specify a custom check-interval when in daemon-mode, e.g. 60 (seconds).
-n, --night:
    Set another wallpaper at night.
-o, --osd:
    Send a notification when weather changes.
-p, --preview
    Add images showing the weather forecast.
-r, --random:
    Choose the wallpaper randomly, only works when the directory is named in the config.
-rd [warning|radar] [warning|radar] [germany|swiss], --radar [warning|radar] [warning|radar] [germany|swiss]:
    Show a warning and/or a radarimage for a country. Wetteralarm (www.wetteralarm.ch) and Rain-Radar (meteoschweiz.admin.ch) for Switzerland, official warnings (http://www.dwd.de/) and a satellite-image (http://www.dlr.de/) for Germany.
-sr, --swiss-radar
    Shortcut: All swiss rader images.
-t, --temperature
    Show the temperature.
-wid, --woeid
    The WOEID of the location, see http://developer.yahoo.com/geo/geoplanet/guide/concepts.html"
            exit 0
            ;;

        --version)
            echo "izulu 0.3"
            exit 0
            ;;
    esac
done

TEXTDOMAIN="izulu"
TEXTDOMAINDIR="/usr/share/locale/"
export TEXTDOMAIN
export TEXTDOMAINDIR

if [ "$WPCOMMAND" == "" ];then
    WPCOMMAND="$(getWPCommand)"
fi

if [ "$CITY" == "" ] && [ "$WOEID" == "" ];then
    CITY="$(getCity)"
    if [ "$CITY" == "" ];then
        echo "Error: Your location is not discoverable. Please specify a city with 'izulu -c cityname'." >&2
        exit 1
    fi
fi

#the woeid has to be set before asking yahoo, make this global to cache it
setWOEID "$CITY"
if [ "$WOEID" == "" ];then
    echo "Error: Yahoo can't find a location with this name"
    exit 2
fi

weather=$(getWeather "$WOEID")

if [ "$LOG" == "TRUE" ];then
    echo "$weather" >> "$HOME"/izululog
fi

chooseWallpaper "$weather"

if [ "$MONITOR" == "TRUE" ];then
    monitor
fi
	#!/bin/bash

	# izulu - Change the wallpaper according to the weather
	#
	# Copyright (C) 2009 Malte Paskuda
	#
	# This program is free software; you can redistribute it and/or modify it
	# under the terms of the GNU General Public License as published by the
	# Free Software Foundation; either version 3 of the License, or (at your
	# option) any later version.
	#
	# This program is distributed in the hope that it will be useful, but
	# WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	# General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; if not, see <http://www.gnu.org/licenses/>.

	# get current weather
	# $1: city to look for
	# return: current weather
	getWeather() {
	local woeid="$1"

	local api_output=$(getYahooXML "$woeid")
	echo "$api_output" \| xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m '/rss/channel/item/yweather:condition' -v '@code'
	}

	# get WOEID uesed for as location by Yahoo
	# $1: city
	# return: WOEID
	getYahooWOEID() {
	local city="$1"

	appid="LEQaKB_V34Gzu4on4L8hrqQSisKQ0H_ixtcixDoSZFA3yznADUGphzvJSdKZ0vBIJunqxchI1m0-"
	woeid=$(wget -O - -q "http://where.yahooapis.com/v1/places.q($city)?appid=$appid")

	echo "$woeid" \| xml_grep --text_only '/places/place/woeid'
	}

	# get current weather from yahoo
	# $1: woeid
	# return: full xml-response
	getYahooXML() {
	local woeid="$1"

	local yahooWeather=$(wget -O - -q "http://weather.yahooapis.com/forecastrss?w=$woeid&u=c")
	echo "$yahooWeather"
	}

	# get date of sunrise from yahoo
	# $1: output of the yahoo weather feed
	# return: sunrise
	getSunrise() {
	local api_output="$1"

	echo "$api_output" \| xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m '/rss/channel/yweather:astronomy' -v '@sunrise'
	}

	# get date of sunset from yahoo
	# $1: output of the yahoo weather feed
	# return: sunset
	getSunset() {
	local api_output="$1"

	echo "$api_output" \| xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m '/rss/channel/yweather:astronomy' -v '@sunset'
	}

	# map forecast-code to one of the icons
	chooseForecastIcon() {
	forecast="$1"
	case "$forecast" in
	"19" \| "20" \| "21" \| "22" \| "23" \| "24" \| "25" \| "26")
	echo "forecast_cloud"
	;;
	"27" \| "28" \| "29" \| "30" \| "33" \| "34" \| "44")
	echo "forecast_sunnycloud"
	;;
	"6" \| "8" \| "9" \| "10" \| "11" \| "12" \| "17" \| "18" \| "35" \| "40")
	echo "forecast_rain"
	;;
	"31" \| "32" \| "36")
	echo "forecast_sun"
	;;
	"5" \| "7" \| "13" \| "14" \| "15" \| "16" \| "41" \| "42" \| "43" \| "46")
	echo "forecast_snow"
	;;
	"0" \| "1" \| "2" \| "3" \| "4" \| "37" \| "38" \| "39" \| "45" \| "47")
	echo "forecast_thunderstorm"
	;;
	esac

	}

	# set the wallpaper according to the weather
	# $1: current weather
	chooseWallpaper() {
	local weather="$1"

	case "$weather" in
	# Sun:
	"33" \| "34")
	setWallpaper "mostly_sunny" "gen_sun"
	;;

	"31" \| "32" \| "36")
	setWallpaper "clear" "gen_sun"
	;;

	# Clouds:
	"29" \| "30" \| "44")
	setWallpaper "partly_cloudy" "gen_cloud"
	;;

	"27" \| "28")
	setWallpaper "mostly_cloudy" "gen_cloud"
	;;

	"26")
	setWallpaper "cloudy" "gen_cloud"
	;;

	# Rain:
	"40")
	setWallpaper "chance_of_rain" "gen_rain"
	;;

	"9" \| "8")
	setWallpaper "drizzle" "gen_rain"
	;;

	"6")
	setWallpaper "light_rain" "gen_rain"
	;;

	# "Showers")
	"11" \| "12")
	setWallpaper "showers" "gen_rain"
	;;
	"10")
	setWallpaper "rain" "gen_rain"
	;;
	# "Hail")
	"17" \| "35")
	setWallpaper "hail" "gen_rain"
	;;
	# "Thunderstorm")
	"4" \| "3" \| "37" \| "38" \| "39" \| "44" \| "45" \| "47")
	setWallpaper "thunderstorm" "gen_rain"
	;;

	# Snow:
	"18" \| "7")
	setWallpaper "sleet" "gen_snow"
	;;
	"14"\| "5" \|"25")
	setWallpaper "light_snow" "gen_snow"
	;;

	"16" \| "13" \| "15" \| "41" \| "43")
	setWallpaper "snow" "gen_snow"
	;;

	"46" \| "42")
	setWallpaper "snow_showers" "gen_snow"
	;;

	# Wind:
	"23" \| "24")
	setWallpaper "windy" "gen_wind"
	;;
	"0")
	setWallpaper "tornado" "gen_wind"
	;;
	"1")
	setWallpaper "tropicalstorm" "gen_wind"
	;;
	"2")
	setWallpaper "hurricane" "gen_wind"
	;;

	# Misc:
	"19")
	setWallpaper "dust" "gen_misc"
	;;
	"20")
	setWallpaper "fog" "gen_misc"
	;;
	"21")
	setWallpaper "haze" "gen_misc"
	;;
	"22")
	setWallpaper "smoky" "gen_misc"
	;;
	*)
	if [ "$LOG" == "TRUE" ];then
	echo "^-> UNKNOWN!" >> "$HOME"/izululog
	fi
	;;
	esac
	}

	#Choose the wallpaper
	#$1: the image for the specific state
	#$2: the image for the generic state, fallback
	#$3: If set to anything, random-mode will not be triggered
	setWallpaper() {
	local specific="$1"
	local generic="$2"
	local random_override="$3"

	if [[ -n "$current" ]];then
	if [ "$current" == "$specific" ];then
	if [ ! "$TEMPERATURE" == "TRUE" ] && [ ! "$SWISS_RADAR" == "TRUE" ] && [ ! "$GERMAN_RADAR" == "TRUE" ] && [ ! "$RADAR" == "TRUE" ];then
	#no dynamic features, so no change necessary
	return
	fi
	fi
	fi
	current="$specific"

	if [ "$RANDOMLY" == "TRUE" ] && [[ -z "$random_override" ]];then
	random_image=$(cycleWallpaper "$specific" "$generic")
	if [[ -n "$random_image" ]];then
	setImage "$random_image" &
	fi
	return
	fi

	if ! isDay && [ "$NIGHT" == "TRUE" ];then
	image_specific="$specific"_night
	image_generic="$generic"_night
	else
	image_specific="$specific"
	image_generic="$generic"
	fi

	if [[ -e "$HOME"/.izulu/"$image_specific" ]];then
	setImage "$HOME"/.izulu/"$image_specific"
	else
	if [[ -e /usr/share/izulu/"$image_specific" ]];then
	setImage /usr/share/izulu/"$image_specific"
	else
	if [[ -e "$HOME"/.izulu/"image_generic" ]];then
	setImage "$HOME"/.izulu/"$image_generic"
	else
	setImage /usr/share/izulu/"$image_generic"
	fi
	fi
	fi

	if [ "$OSD" == "TRUE" ];then
	osdNotify "$specific"
	fi
	}

	# set the Wallpaper
	# $1 the wallpaperfile
	setImage() {
	local api_output=$(getYahooXML "$WOEID")
	local tmpimage=$(mktemp)
	# store for later merge - and to be able to write
	cp "$1" "$tmpimage"
	if [ "$PREVIEW" == "TRUE" ];then
	for i in {1..5};do
	# merge preview-icons with background-image
	local forecast=$(echo "$api_output" \| xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m "/rss/channel/item/yweather:forecast[$i]" -v '@code')
	local icon=$(chooseForecastIcon "$forecast")
	local tmpicon=$(mktemp)
	cp "/usr/share/izulu/$icon" "$tmpicon"
	local day=$(echo "$api_output" \| xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m "/rss/channel/item/yweather:forecast[$i]" -v '@day')
	convert "$tmpicon" -gravity South -background '#0000' -fill grey -font Helvetica -pointsize 16 -splice 0x24 -annotate +0+2 "$day" "$tmpicon"

	# at least +20 y height to be above typical taskbar
	convert -depth 8 -gravity SouthEast -geometry +$((330-i*64))+20 "$tmpimage" "$tmpicon" -composite "$tmpimage"
	# TODO: Center text
	# convert -gravity SouthEast "$tmpimage" -font Helvetica -antialias -pointsize 16 -fill grey -draw "text $((335-i*64)),20 $day" "$tmpimage"

	done
	fi

	if [ "$TEMPERATURE" == "TRUE" ];then
	local temperature=$(echo "$api_output" \| xmlstarlet sel -N yweather="http://xml.weather.yahoo.com/ns/rss/1.0" -t -m "/rss/channel/item/yweather:condition" -v '@temp')
	convert -gravity SouthWest "$tmpimage" -font Helvetica -pointsize 36 -fill grey -annotate 0x20+20+20 "$temperature °C" "$tmpimage"
	fi

	addRadar "$tmpimage"

	cp "$tmpimage" "$HOME"/.izulu/izulucurrent
	rm "$tmpimage"
	if [ "${WPCOMMAND:${#WPCOMMAND}-1}" == "/" ];then
	${WPCOMMAND}"$HOME/.izulu/izulucurrent" &
	else
	$WPCOMMAND "$HOME/.izulu/izulucurrent" &
	fi
	}

	addRadar() {
	local tmpimage="$1"
	if [ "$SWISS_RADAR" == "TRUE" ];then
	addSwissImage "$tmpimage" warning radar
	return
	fi
	if [ "$GERMAN_RADAR" == "TRUE" ];then
	addGermanImage "$tmpimage" warning radar
	return
	fi
	if [ "$RADAR" == "TRUE" ];then
	if contains "${RADAROPTIONS[*]}" "germany";then
	local country="DE"
	elif contains "${RADAROPTIONS[*]}" "swiss";then
	local country="CH"
	else
	local country=$(getCountry)
	fi
	if ! contains "${RADAROPTIONS[]}" "radar" && ! contains "${RADAROPTIONS[]}" "warning";then
	local options=("warning" "radar")
	else
	local options=()
	for image in ${RADAROPTIONS[*]};do
	if [ "$image" == "radar" ] \|\| [ "$image" == "warning" ];then
	options[${#options[*]}]="$image"
	fi
	done
	fi
	if [ "$country" == "DE" ];then
	addGermanImage "$tmpimage" ${options[*]}
	elif [ "$country" == "CH" ];then
	addSwissImage "$tmpimage" ${options[*]}
	fi
	fi
	}

	addGermanImage() {
	local i=0
	local tmpimage="$1"
	for image in $*;do
	let i++
	if [ "$image" == "warning" ];then
	local wetteralarm=$(mktemp)
	wget -O - -q http://www.dwd.de/dyn/app/ws/maps/DE_teaser_x_x_0.gif > "$wetteralarm"
	convert "$wetteralarm" -resize 178 "$wetteralarm"
	if [ $i == 2 ];then
	composite -gravity SouthEast -geometry +2+128 "$wetteralarm" "$tmpimage" "$tmpimage"
	else
	composite -gravity SouthEast -geometry +2+377 "$wetteralarm" "$tmpimage" "$tmpimage"
	fi
	rm "$wetteralarm"
	fi
	if [ "$image" == "radar" ];then
	local radarimage=$(mktemp)
	wget -O - -q ftp://ftp.dfd.dlr.de/put/wetterbilder/Central_Europe/image1.jpg > "$radarimage"
	#grab germany from the image of europe:
	convert "$radarimage" -crop 650x900+274+120 "$radarimage"
	convert "$radarimage" -resize 178 "$radarimage"
	if [ $i == 2 ];then
	composite -gravity SouthEast -geometry +2+128 "$radarimage" "$tmpimage" "$tmpimage"
	else
	composite -gravity SouthEast -geometry +2+367 "$radarimage" "$tmpimage" "$tmpimage"
	fi
	rm "$radarimage"
	fi
	done
	}

	addSwissImage() {
	local i=0
	local tmpimage="$1"
	for image in $*;do
	let i++
	if [ "$image" == "warning" ];then
	local wetteralarm=$(mktemp)
	wget -O - -q http://www.wetteralarm.ch/uploads/tx_namicswawetterkarte/bilder/wetterkarten/all_klein.jpg > "$wetteralarm"
	convert "$wetteralarm" -resize 178 "$wetteralarm"
	if [[ $i -eq 2 ]];then
	composite -gravity SouthEast -geometry +2+128 "$wetteralarm" "$tmpimage" "$tmpimage"
	else
	composite -gravity SouthEast -geometry +2+245 "$wetteralarm" "$tmpimage" "$tmpimage"
	fi
	rm "$wetteralarm"
	fi
	done
	}

	contains() {
	list=("$1")
	element="$2"
	if [ "$(echo ${list[*]} \| grep "$element")" == "" ];then
	return 1
	else
	return 0
	fi
	}

	#send onscreen-notfication if weather changed
	#$1: message, new weather-state
	osdNotify() {
	if [[ -z "$last_state" ]] \|\| [ "$last_state" != "$1" ];then
	if command -v notify-send > /dev/null;then
	notify-send "izulu" "$(gettext "$1")"
	else
	echo "notify-send not installed, but osd via -o requested." \
	"Install libnotify-bin to use the osd."
	fi
	fi
	last_state="$1"
	}

	#choose randomly a wallpaper
	#$1: wallpaper-category
	#return: wallpaper to set
	cycleWallpaper() {
	local specific="$1"
	local generic="$2"

	case "$generic" in
	"gen_sun")
	RANDOMDIR="$RANDOMSUNDIR"
	;;
	"gen_cloud")
	RANDOMDIR="$RANDOMCLOUDDIR"
	;;
	"gen_rain")
	RANDOMDIR="$RANDOMRAINDIR"
	;;
	"gen_snow")
	RANDOMDIR="$RANDOMSNOWDIR"
	;;
	"gen_misc")
	RANDOMDIR="$RANDOMMISCDIR"
	;;
	esac

	if [[ -z "$RANDOMDIR" ]];then
	setWallpaper "$specific" "$generic" "TRUE"
	return 1
	fi
	local pictures=()
	for picture in "$RANDOMDIR"/*;do
	pictures+=("$picture")
	done
	local chosen=$RANDOM
	let "chosen %= ${#pictures[*]}"
	echo "${pictures[$chosen]}"
	}


	#get current time via the last_build_date, which is not necesseraly the
	#current time
	getCurrentTime() {
	local api_output="$1"

	local build_date=$(echo "$api_output" \| xmlstarlet sel -t -m /rss/channel/lastBuildDate -v '.')
	local build_time=$(echo $build_date \| sed 's/.\(..:.....\)./\1/')

	#12:20 pm hast to be caught and converted to 00:20 pm
	if [ "$(echo ${build_time:6})" = "pm" ] && [ "$(echo ${build_time:0:2})" = "12" ];then
	build_time="${build_time/12/00}"
	fi

	#12:20 am hast to be caught and converted to 00:20 am
	if [ "$(echo ${build_time:6})" = "am" ] && [ "$(echo ${build_time:0:2})" = "12" ];then
	build_time="${build_time/12/00}"
	fi

	build_time=$(makeComparable "$build_time")

	echo "$build_time"
	}

	#Check if currently daylight is seen
	isDay() {
	#if $YAHOOID not set, it would otherwise be always night
	if [[ -z "$WOEID" ]];then
	return 0
	fi
	local api_output=$(getYahooXML "$WOEID")

	#if yahoo unreachable it is day for now
	if [[ -z "$api_output" ]];then
	return 0
	fi
	local build_time=$(getCurrentTime "$api_output")

	#set cur_time at the first iteration:
	if [[ -z "$cur_time" ]];then
	cur_time="$build_time"
	fi

	local sunrise=$(getSunrise "$api_output")
	local sunset=$(getSunset "$api_output")

	sunrise=$(makeComparable "$sunrise")
	sunset=$(makeComparable "$sunset")

	#Sounds strange, but some cities don't build the rss-feed over
	#night, the last time a few minutes before sunset. First Workaround:
	local sunset=$((sunset - 5))

	#Second Workaround, for daemon-mode: If build_time equals
	#last_build_time, then add interval to cur_time
	if [[ "$build_time" -eq "$last_build_time" ]];then
	if [[ -z "$INTERVAL" ]];then
	INTERVAL=900
	fi
	local minute_interval=$(($INTERVAL / 60))
	cur_time=$(timeadd $cur_time $minute_interval)
	else
	cur_time="$build_time"
	fi
	last_build_time="$build_time"

	if [[ $cur_time -gt $sunrise ]] && [[ $cur_time -lt $sunset ]];then
	#it's day
	return 0
	else
	#it's night
	return 1
	fi
	}

	#translate a time in format 08:33 pm into 0833, add 1200 if pm and
	#convert in minutes NOTE: Probably should've used date
	#$1: the time
	#return: comparable time in minutes
	makeComparable() {
	local time="$1"

	if [[ -n "$(echo $time \| grep am)" ]];then
	#it's am
	#remove all non-digits:
	time=${time//[a-z: ]/}
	else
	#it's pm, must add 1200
	time=${time//[a-z: ]/}
	time=$((10#$time + 1200))
	fi
	local length=${#time}
	if [[ "$length" -eq 3 ]];then
	#1:30
	local hours=${time:0:1}
	local minutes=${time:1:2}
	else
	#11:30
	local hours=${time:0:2}
	local minutes=${time:2:2}
	fi
	time=$((10#$hours * 60 + 10#$minutes))
	echo $time
	}

	#add time in minutes, react to overflow at 1440
	timeadd() {
	local time=$(($1 + $2))
	if [[ $time -gt 1440 ]];then
	time=$((10#$time - 1440))
	fi
	echo $time
	}

	#daemon-mode
	monitor() {
	while true;do
	if [[ -z "$INTERVAL" ]];then
	INTERVAL=3600 # ttl in yahoo xml is 60 minutes, so use this as default
	fi

	sleep $INTERVAL

	local weather=$(getWeather "$WOEID")
	if [[ "$LOG" == "TRUE" ]];then
	echo "$weather" >> "$HOME"/izululog
	fi
	chooseWallpaper "$weather"
	done
	}


	setWOEID() {
	local city="$1"
	if [[ -z "$WOEID" ]];then
	WOEID=$(getYahooWOEID "$city")
	fi
	}

	#determine the city via the geoip-api
	getCity() {
	ipApiLookup=$(wget -O - -q "http://freegeoip.net/xml/")
	local city=$(echo "$ipApiLookup" \| xml_grep --text_only '/Response/City')
	if command -v notify-send >/dev/null;then
	notify-send -u low "izulu" "$city"
	fi
	echo $city
	}

	#determine the county via the geoip-api
	getCountry() {
	ipApiLookup=$(wget -O - -q "http://freegeoip.net/xml/")
	local country=$(echo "$ipApiLookup" \| xml_grep --text_only '/Response/CountryCode')
	#if command -v notify-send >/dev/null;then
	# notify-send -u low "izulu" "$city"
	#fi
	echo $country
	}

	#check in which environment we run to select a command to set a wallpaper
	getWPCommand() {
	#partly taken from xdg-open
	if [ x"$DESKTOP_SESSION" = x"ubuntu" ] \|\| [ x"$DESKTOP_SESSION" = x"ubuntu-2d" ];then
	notify-send "ubuntu"
	gsettings set org.gnome.desktop.background picture-options "stretched"
	echo "gsettings set org.gnome.desktop.background picture-uri file://"
	elif [ x"$GNOME_DESKTOP_SESSION_ID" != x"" ] \|\| [ x"$DESKTOP_SESSION" = x"gnome" ];then
	if command -v gnome-about > /dev/null; then
	notify-send "gnome 2"
	echo "gconftool --type string -s /desktop/gnome/background/picture_filename"
	else
	notify-send "gnome 3"
	gsettings set org.gnome.desktop.background picture-options "stretched"
	echo "gsettings set org.gnome.desktop.background picture-uri file://"
	fi
	elif xprop -root _DT_SAVE_MODE \| grep ' = \"xfce4\"$' >/dev/null 2>&1; then
	notify-send "xfce"
	echo "xfdesktop --reload"
	elif command -v Esetroot > /dev/null; then
	notify-send "Esetroot"
	echo "Esetroot -scale"
	elif command -v feh > /dev/null; then
	notify-send "feh"
	echo "feh --bg-scale"
	elif command -v display > /dev/null; then
	notify-send "display"
	echo "display -window root"
	else
	notify-send "else"
	echo "gconftool --type string -s /desktop/gnome/background/picture_filename"
	fi
	}

	checkConfig() {
	if [[ ! -d "$HOME/.izulu/" ]];then
	mkdir "$HOME/.izulu/"
	fi
	if [[ ! -e "$HOME/.izulu/config" ]];then
	echo "WPCOMMAND=\"\" #command to set the wallpaper
	CITY=\"\"
	WOEID=\"\" #WOEID for Yahoo, the nightmode, if automatic fails
	WIND=\"\"
	SWISS_RADAR=\"\"
	RANDOMSUNDIR=\"\" #Directories with pictures to randomly pick one
	RANDOMCLOUDDIR=\"\"
	RANDOMRAINDIR=\"\"
	RANDOMSNOWDIR=\"\"
	RANDOMMISCDIR=\"\"" > "$HOME/.izulu/config"
	fi

	}

	readConfig() {
	source "$HOME"/.izulu/config
	}

	checkConfig
	readConfig

	#read arguments
	while [[ $# -gt 0 ]] ; do
	parm="$1"
	shift

	case "$parm" in
	-c \| --city)
	CITY="$1"
	;;
	-d \| --daemon)
	MONITOR=TRUE
	;;
	-i \| --interval)
	INTERVAL="$1"
	;;
	-l \| --log)
	LOG=TRUE
	;;
	-r \| --random)
	RANDOMLY=TRUE
	;;
	-n \| --night)
	NIGHT=TRUE
	;;
	-o \| --osd)
	OSD=TRUE
	;;
	-p \| --preview)
	PREVIEW=TRUE
	;;
	-t \| --temperature)
	TEMPERATURE=TRUE
	;;
	-wid \| --woeid)
	WOEID="$1"
	;;
	-w \| --wind)
	WIND=TRUE
	;;
	-gr \| --german-radar)
	GERMAN_RADAR=TRUE
	;;
	-sr \| --swiss-radar)
	SWISS_RADAR=TRUE
	;;
	-rd \| --radar)
	RADAR=TRUE
	RADAROPTIONS=()
	for option in $*;do
	if [ "${option:0:1}" == "-" ];then
	#this option dont belongs to the radarswitch anymore
	break
	else
	RADAROPTIONS[${#RADAROPTIONS[*]}]="$option"
	shift
	fi
	done
	;;
	--help)
	echo "-c city, --city city:
	Set the city with the relevant weather, e.g Berlin.
	-d, -daemon:
	Enable daemon-mode, check the weather every 15 minutes.
	-gr, --german-radar
	Shortcut: All german rader images.
	-i interval, --interval interval:
	Specify a custom check-interval when in daemon-mode, e.g. 60 (seconds).
	-n, --night:
	Set another wallpaper at night.
	-o, --osd:
	Send a notification when weather changes.
	-p, --preview
	Add images showing the weather forecast.
	-r, --random:
	Choose the wallpaper randomly, only works when the directory is named in the config.
	-rd [warning\|radar] [warning\|radar] [germany\|swiss], --radar [warning\|radar] [warning\|radar] [germany\|swiss]:
	Show a warning and/or a radarimage for a country. Wetteralarm (www.wetteralarm.ch) and Rain-Radar (meteoschweiz.admin.ch) for Switzerland, official warnings (http://www.dwd.de/) and a satellite-image (http://www.dlr.de/) for Germany.
	-sr, --swiss-radar
	Shortcut: All swiss rader images.
	-t, --temperature
	Show the temperature.
	-wid, --woeid
	The WOEID of the location, see http://developer.yahoo.com/geo/geoplanet/guide/concepts.html"
	exit 0
	;;

	--version)
	echo "izulu 0.3"
	exit 0
	;;
	esac
	done

	TEXTDOMAIN="izulu"
	TEXTDOMAINDIR="/usr/share/locale/"
	export TEXTDOMAIN
	export TEXTDOMAINDIR

	if [ "$WPCOMMAND" == "" ];then
	WPCOMMAND="$(getWPCommand)"
	fi

	if [ "$CITY" == "" ] && [ "$WOEID" == "" ];then
	CITY="$(getCity)"
	if [ "$CITY" == "" ];then
	echo "Error: Your location is not discoverable. Please specify a city with 'izulu -c cityname'." >&2
	exit 1
	fi
	fi

	#the woeid has to be set before asking yahoo, make this global to cache it
	setWOEID "$CITY"
	if [ "$WOEID" == "" ];then
	echo "Error: Yahoo can't find a location with this name"
	exit 2
	fi

	weather=$(getWeather "$WOEID")

	if [ "$LOG" == "TRUE" ];then
	echo "$weather" >> "$HOME"/izululog
	fi

	chooseWallpaper "$weather"

	if [ "$MONITOR" == "TRUE" ];then
	monitor
	fi