Up until recently, Core Spotlight was of no interest to HoudahSpot and Tembo. Some third-party applications have also found it easier to add support for Core Spotlight than to adapt their data structures to work with Spotlight. Such items still appear in the Spotlight window by way of Core Spotlight. This is of much less interest than the individual notes. With that, a file search tool can at best find the file that holds all notes. We were sad to see this information moved to databases. A few years back, Safari history items and Apple Notes were saved as individual files. In recent years, Apple has migrated a few system applications to use monolithic storage rather than individual files. This reversal of roles allows Core Spotlight to index any kind of data. Instead, applications actively submit data to Core Spotlight for indexing. Core Spotlight does not watch for data or files to appear. Thus such applications either have to change their data storage to fit Spotlight’s requirements or resort to tricks to get their data into Spotlight.Ĭore Spotlight is a more recent addition. Such data items cannot be indexed by Spotlight. For “shoebox” applications, it is often more natural to store data items in a single file or database rather than use one file per data item. The fact that Spotlight works only with files can be a problem for some applications. Whenever a file is modified, the Spotlight engine calls upon the appropriate importer plug-in to read metadata and text content from the file. Spotlight was introduced with OS X 10.4 Tiger. Recent versions of macOS use two indexing technologies to power local searches in the Spotlight window: Spotlight and Core Spotlight. It rather discusses technical background and ethical considerations. It does not provide a solution or workaround for Mail searches on macOS Catalina. Note: This blog post strays away from our usual focus on tips & tricks.
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