tmux-kanagawa/scripts/weather.sh

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#!/usr/bin/env bash
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fahrenheit=$1
load_request_params()
{
city=$(curl -s https://ipinfo.io/city 2> /dev/null)
region=$(curl -s https://ipinfo.io/region 2> /dev/null)
zip=$(curl -s https://ipinfo.io/postal 2> /dev/null | tail -1)
country_w_code=$(curl -w "\n%{http_code}\n" -s https://ipinfo.io/country 2> /dev/null)
country=`grep -Eo [a-zA-Z]+ <<< "$country_w_code"`
exit_code=`grep -Eo [0-9]{3} <<< "$country_w_code"`
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region_code_url=http://www.ip2country.net/ip2country/region_code.html
weather_url=https://forecast.weather.gov/zipcity.php
}
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#substitute region code for regions in north america
get_region_code()
{
curl -s $region_code_url | grep $region &> /dev/null && region=$(curl -s $region_code_url | grep $region | cut -d ',' -f 2)
echo $region
}
weather_information()
{
curl -sL $weather_url?inputstring=$zip | grep myforecast-current | grep -Eo '>.*<' | sed -E 's/>(.*)</\1/'
}
get_temp()
{
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if $fahrenheit; then
echo $(weather_information | grep 'deg;F' | cut -d '&' -f 1)
else
echo $(( ($(weather_information | grep 'deg;F' | cut -d '&' -f 1) - 32) * 5 / 9 ))
fi
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}
forecast_unicode()
{
forecast=$(weather_information | head -n 1)
if [[ $forecast =~ 'Snow' ]]; then
echo '❄ '
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elif [[ (($forecast =~ 'Rain') || ($forecast =~ 'Shower')) ]]; then
echo '☂ '
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elif [[ (($forecast =~ 'Overcast') || ($forecast =~ 'Cloud')) ]]; then
echo '☁ '
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elif [[ $forecast = 'NA' ]]; then
echo ''
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else
echo '☀ '
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fi
}
#get weather display if in US
display_weather()
{
if [ $country = 'US' ]; then
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echo "$(forecast_unicode)$(get_temp)°"
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else
echo ''
fi
}
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main()
{
# don't run the rest of the script unless we can safely get all the information
load_request_params
if [[ $exit_code -eq 429 ]]; then
echo "Request Limit Reached"
exit
fi
# process should be cancelled when session is killed
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if ping -q -c 1 -W 1 ipinfo.io &>/dev/null; then
echo "$(display_weather) $city, $(get_region_code)"
else
echo "Location Unavailable"
fi
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}
#run main driver program
main