lifo-dijkstraserv/scripts/geojson/fetch_city_outlines.sh

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2020-04-25 17:08:19 +02:00
#!/bin/bash
json=`curl 'https://wiki.linux-forks.de/mediawiki/api.php?action=query&prop=revisions&rvprop=content&format=json&titles=Maps:Cities'`
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data=`echo "$json" | json_reformat | sed -e 's/\\\\n//g' -n -e 's/begin:mapdata\([^}]\+\)/\1/gp' | sed -e "s/|-|/}/g"`
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echo "["
export IFS="}"
for entry in $data; do
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name=`echo "$entry" | sed -n 's/\s*\([^|]\+\).*/\1/p' | sed 's/ $//'`
type=`echo "$entry" | sed -n 's/\s*\([^|]\+\)||\s*\([^|]\+\).*/\2/p' | sed 's/ $//'`
coord=`echo "$entry" | sed -n 's/.*||\s*\([^|]\+\).*/\1/p'`
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if [[ "$name" != "" && "$coord" != "" ]]; then
echo "{ \"type\": \"Feature\",
\"geometry\": {
\"type\": \"Polygon\",
\"coordinates\": [[
$coord
]]
},
\"properties\": {
\"name\": \"$name\",
\"type\": \"$type\"
}
},"
fi
done
export IFS=" "
echo "{}"
echo "]"