Export posts to another community, how to get rid of the signature?

Question

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Faced with an insignificant problem, but still there may be a better option.
There are 2 communities and from the first you need to transfer posts to the second, bungled the script, and noticed the following:
When exporting to a new community, I turn to the link

https://api.vk.com/method/wall.post?owner_id=id_new_public&from_group=1&attachments=photo-5555&message=текст&access_token=token

Where photo-5555 is the id of the photo of the first community
. I create an entry in a new community and when you click on the photo, the page of the first community with this entry opens. Is it possible to re-upload photos by its ID or will you first have to merge them to the server, and then upload them to vk in a new community?

Answer 1

Yes, the pictures need to be re-uploaded.
first download the file to yourself - then upload.