Implementing fast queries for local files in Go
Programming Snapshot – Go
To find files quickly in the deeply nested subdirectories of his home directory, Mike whips up a Go program to index file metadata in an SQLite database.
Those were the days when you could simply enter a line of code or a variable name into Google's code search page (Figure 1), and the data crawler would reveal in next to no time the open source repositories in which it appeared. Unfortunately, Google discontinued the service several years ago, probably because it failed to generate sufficient profit.
Figure 1: This is what Google Code Search looked like in 2007.
But not all is lost, because the GitHub Codesearch [1] project, with its indexer built in Go, at least lets you browse locally available repositories, index them, and then search for code snippets in a flash. Its author, Russ Cox, then an intern at Google, explained later how the search works [2].
[...]
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