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predicates

Log Literacy: Extending Ulbow with predicates, filters & styles

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How to develop predicates, filters and styles interactively, then add them to Ulbow’s settings. And how to transfer those settings to another Mac.

March 10, 2023 Macs, Technology

Log literacy: the power of message types, and Ulbow 1.10

Each log entry has a messageType field, enabling you to obtain and show just more significant entries, and to find errors and faults almost instantly.

February 13, 2023 Macs, Technology, Updates

Log literacy: Reducing log entries shown

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How to use Ulbow to find just the log entries you need, using filters and predicates. Bring order to chaos.

January 31, 2023 Macs, Technology

Spotlight on search: Search and you might be lucky

Details the contents of files which are built into Spotlight’s index, its reliance on keys, how apps can perform Spotlight searches, and the three bundled tools for users.

January 29, 2021 Macs, Technology

Looking in the log: predicates, filters, regex, and find

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Different search and filter tools have different purposes – as demonstrated by exploring the log using Consolation 3. Regex at work!

August 3, 2017 Macs, Technology

Useful filter terms for Sierra’s logs

An explicit listing of terms which are useful in filtering Sierra’s logs. This list is maintained.

March 14, 2017 Macs, Technology

Building a better console replacement: an exercise in Xcode 2

Why does writing a simple app in Swift keep turning into an esoteric guessing game? More hurdles for re-scripting in Swift.

December 7, 2016 Macs, Technology

log: a primer on predicates

How to use predicates to filter out log entries, and obtain more concise and useful log extracts.

October 17, 2016 Macs, Technology
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