[Help] List notes with broken links

[kirasok]

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Hi! Recently I renamed some of my notes. It broke links to them in other notes. Is there way to list notes that have broken links in them?

[mickael-menu]

Maybe there's a way by parsing the output of zk graph --format json, but nothing to do that out of the box.

[prikhi]

I played around a little with jq + regular expressions(to match [[Title]] or [[Title|other text]] formats), used that to build a list of all link titles & then did the list difference between all link titles & all titles:

$ zk graph --format json 2>/dev/null | jq '{ allLinks: .notes|map([.body|scan("\\[\\[(.*?)(\\|.*?)?]]")|.[0]])|add|unique, allTitles: .notes|map(.title) }| .allLinks - .allTitles'

[kirasok]

Thank you! I've changed allTitles: .notes|map(.title) to allTitles: .notes|map(.filenameStem) so it would work in cases when title and filename don't match

Solution to print missing notes:

zk graph --format json 2>/dev/null | jq '{ allLinks: .notes|map([.body|scan("\\[\\[(.*?)(\\|.*?)?]]")|.[0]])|add|unique, allTitles: .notes|map(.filenameStem) }| .allLinks - .allTitles'

and zk alias:

[alias]
broken = "zk graph --format json 2>/dev/null | jq '{ allLinks: .notes|map([.body|scan(\"\\\\[\\\\[(.*?)(\\\\|.*?)?]]\")|.[0]])|add|unique, allTitles: .notes|map(.filenameStem) }| .allLinks - .allTitles'"