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#!/bin/bash
#
# Simple wrapper around brweather
#
# Parameters
BASENAME="`basename $0`"
PROGRAM="$1"
CACHE="$HOME/.local/share/weather"
# Command line args
shift
# Weather service query
function weather_query {
# Make sure everything we need exists
mkdir -p $CACHE
touch $CACHE/weather.cur $CACHE/weather.prev
# Save the previous forecast
cp $CACHE/weather.cur $CACHE/weather.prev
weather $* > $CACHE/weather.cur 2> /dev/null
# Test if current forecast is empty, meaning
# that we're probably ofline. In that case
# we provide the previous output.
if [ ! -s "$CACHE/weather.cur" ]; then
cp $CACHE/weather.prev $CACHE/weather.cur
fi
# Display output
cat $CACHE/weather.cur
}
# Main
if [ "$PROGRAM" == 'brweather' ]; then
brweather $* | grep -v 'Erro.'
else
weather_query
fi
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