Hey, Carl. I mentioned this is an email a while back (id:87eil4ygar....@servo.finestructure.net), but I want to bring it up again now that you're looking at the JSON output stuff. I would like to make the case for JSON being the one and only output format. Here's the arguments:
* JSON is a very well spec'd API * JSON is a *very* well supported standard (it's basically well supported by every language) * the JSONformat is perfectly suited for notmuch's output * emacs has a json.el library, so it would not be hard at all to modify the notmuch.el to parse json output * using only one output format would considerably reduce the code base in notmuch, keeping things simpler and easier to maintain I think these are pretty good reason to just move to JSON as *the* output format. While I'm on this topic, let me rehash another point I made previously: If we move to JSON output, it would be *so* sweet to provide means to filter the output JSON fields. The "--output" flag could be used to pick the desired output fields. For instance, the current "search" output could be something like: search --output=thread_id,date,number,author,subject,tags while the current "show" output could be something like: search --output=message_id,tags,path,header,body,attachments This would all make things *much* easier for clients and wrappers. For instance, here are just a couple of things that would be made much easier for wrapper scripts: * Proper maildir sync ("search --output=message_id,tags,path" ...) * Purging "delete" tagged messages ("search --output=path" tags:delete) * Moving/archiving messages based on search results ("search --output=path" ...) I would personally love to see this. I think it would make notmuch cleaner, simpler, and more powerful all at the same time. Interested in hearing what other's thoughts on this idea are. jamie.
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