November 12, 2022

Improving Elixir Code Searching Techniques

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Improving Elixir Code Searching Techniques

Source: youtube.com

Onorio Catenacci starts by stressing the importance of refactoring in software development and explains that efficient code search is a key factor in this process. Developers often need to find symbol or function definitions in large codebases. To streamline searching, he suggests utilizing tools like ack, a programmer's grep, and the Rosie Pattern Language, which go beyond what traditional editor search functions offer. Catenacci emphasizes how such tools can reduce the search scope by ignoring irrelevant files or directories. He provides shell script examples to demonstrate how to configure ack for Elixir code. Ack, for instance, allows exclusion of files that are unlikely to contain relevant code, such as dependency or configuration files. Later, Catenacci explains the limitations of regular expressions and promotes Rosie Pattern Language as a superior alternative. Rosie allows for named patterns, unit testing, and recursive matching—capabilities that traditional regular expressions lack. He demonstrates Rosie's unit testing feature and its ability to exclude commented code lines from searches. To wrap up, Catenacci shares resources for programmer's grep tools, the Rosie Pattern Language, and encourages Elixir developers to incorporate these advanced searching techniques into their workflows.

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