Query tags of relation (in commandline)

Question

I've got a list of relations of power plants and would like to query the "plant:output:electricity" tag.

Is there any generic tool (for Linux commandline) which queries the content of an arbitrary tag from Overpass?

So e.g. I would like to do:

./querytool -relation 368946 -tag "plant:output:electricity"

and get out "150 MW".

Thanks for any help!

Answer 1

5

It's not a ready made tool, but you can pipe curl into something like jq:

curl -s -g http://overpass-api.de/api/interpreter --data-urlencode 'data=[out:json];rel(368946);out;' | jq '.elements[0].tags."plant:output:electricity"'

I guess that won't work well if you want a lot of flexibility, but for simple queries it should be fine.

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answered 01 May '18, 14:27

maxerickson
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Query tags of relation (in commandline)

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