87 lines
2.3 KiB
Bash
Executable File
87 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# Retrieves and formats current weather
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#
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# Copyright (C) 2013 Mike Gerwitz
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# In order to prevent the screen session from hanging due to network latency
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# or a slow weather server, it is highly recommended that a cron job or some
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# other task be used to populate /tmp/.weather with the output of the
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# weather command. Should a file be empty or non-existant, the script will
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# fall back to querying realtime.
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##
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export -n HTTP_PROXY http_proxy
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# fall back to realtime weather data if no cache is available
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wdata=/tmp/.weather
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data="$(
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cat /tmp/.weather 2>/dev/null \
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| sed 's/^ \+//g'
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)"
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weather_temp="$( echo "$data" \
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| grep ^Temp \
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)"
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weather_f="$( echo "$weather_temp" \
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| grep -oP '[0-9\.-]+ F' \
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| cut -d' ' -f1 \
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)"
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weather_c="$( echo "$weather_temp" \
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| grep -oP '[0-9\.-]+ C' \
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| cut -d' ' -f1 \
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)"
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# filters out e.g. "N inches of snow on ground"
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weather_type="$( echo "$data" \
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| grep '^Weather: ' \
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| grep -v ' on ground' \
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| cut -d' ' -f2- \
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)"
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wind="$( grep -o '[0-9]\+ MPH' <<< "$data" \
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| tr '\n' '-' \
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| sed 's/-$//;s/ \?MPH-/-/' \
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)"
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# remove decimal
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chk="$( echo "$weather_f" | cut -d. -f1 )"
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# determine color based on temperature
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color='.'
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if [ $chk -gt 89 ]; then
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color=r
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elif [ $chk -gt 69 ]; then
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color=y
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elif [ $chk -gt 39 ]; then
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color=d
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elif [ $chk -gt 9 ]; then
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color=b
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else
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color=m # purple with my color scheme
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fi
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bgcolor='.'
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if [[ "$weather_type" =~ snow ]]; then
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bgcolor=w
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fi
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# if it's sunny, make the status brighter
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echo "$data" | grep -qP 'sunny|(mostly )?clear|partly cloudy' && {
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color=$( echo $color | tr '[:lower:]' '[:upper:]' )
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}
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echo -e "\005{+ $bgcolor$color}${weather_f}F/${weather_c}C $wind\005{-}"
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