How To Export Contacts From OwnCloud Database

For those who need or prefer directly dumping all their contacts from an OwnCloud database, below are commands to do it from a PostgreSQL installation.

Remember to put your OwnCloud user-name in place of the “…” in the query.

psql owncloud --tuples-only --no-align -c \
"SELECT encode(carddata, 'escape') FROM oc_cards WHERE addressbookid = (SELECT id FROM oc_addressbooks WHERE principaluri = 'principals/users/...')" \
> oc_cards.vcf

If you happen to have accented, or other non-ASCII, characters then you may need to convert from octal (“\nnn”) to UTF before trying to import elsewhere.

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