Standard mathematical and logical operators allow users to parse a file for entries satisfying a boolean expression. jq greatly simplifies array processing because it can iterate through an entire array and display a particular entry. jq aligns brackets, applies proper spacing and indentation rules, and displays each property on its own line.Ī large number of built-in functions are used to extract certain values or array entries. Many users rely on jq to properly format JSON files because it always displays JSON information in a “pretty” format. Jq is a lightweight, flexible, command-line JSON processor that can slice, filter, and transform the components of a JSON file. It is written in the C programming language and is completely portable to other systems, with no runtime dependencies. jq is available for most systems and can be installed using a variety of package managers or directly as a binary. Users had to rely on grep, sed, and other Linux commands, or write their own functions. Traditionally, there were few good tools for working with JSON data. Jq was developed specifically to address the need for a JSON processor.
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