[OSM-dev] Filename extensions for OSM files

Matt Amos zerebubuth at gmail.com
Wed May 11 12:17:11 BST 2011

On Wed, May 11, 2011 at 11:26 AM, Jochen Topf <jochen at remote.org> wrote:
> On Wed, May 11, 2011 at 11:13:37AM +0200, Peter Körner wrote:
>> Am 10.05.2011 22:31, schrieb David Paleino:
>> >On Tue, 10 May 2011 20:58:40 +0200, Peter Körner wrote:
>> >
>> >>Frederik mentioned mime-types, I'd suggest (not knowing if I'd break any
>> >>convention using multiple + symbols):
>> >>
>> >>application/x-osm+xml for .osm
>> >>[..]
>> >
>> >I'd suggest we should also implement some magic(5) lines for file(1).
>> Well, that would only work if you could differentiate between osm,
>> osh and osc files by looking at the first lines.
>> osm-files have an <osm ../>-tag, osc-files start with <osmChange
>> ../> but osh-files are, currently, only osm-files with a
>> visible-attribute on each entity - so no way to distinguish them
>> from osm-files.
> We should probably introduce an attribute on the <osm> tag that says that
> this is a history file. Just as we are currently discussing for the PBF
> version.

while we're at it, let's have a flag to indicate if the elements are
sorted by ID, how many prime-numbered elements there are, whether
there was a full moon when it was generated and what the colour of the
file is. i'm up for all of that as long as it's blue.



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