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  1. 18 mar 2024 · JavaScript Object Notation (JSON) is a text format created to ease humans when reading and creating objects passed between applications while enabling the portable representation of data. It consists of two main elements: collections of name-value pairs like “type”:”binary” ordered lists of values like [“txt”, “gz”, “tar”]

  2. 24 gru 2009 · If the system has Node.js installed, it's possible to use the -p print and -e evaluate script flags with JSON.parse to pull out any value that is needed. A simple example using the JSON string { "foo": "bar" } and pulling out the value of "foo": node -pe 'JSON.parse(process.argv[1]).foo' '{ "foo": "bar" }' Output: bar

  3. Rather than trying to implement a JSON parser, you are likely better off using either a tool built for JSON parsing such as jq or a general purpose script language that has a JSON library. For example, using jq, you could pull out the ImageID from the first item of the Instances array as follows: jq '.Instances[0].ImageId' test.json

  4. 12 sie 2024 · Creating a JSON string from Bash variables can ensure interoperability with different tools or systems. For example, in DevOps and system administration, we may need to integrate shell scripts with RESTful APIs that typically require JSON payloads.

  5. 11 maj 2024 · In this in-depth article, we covered some of the basic capabilities that jq provides for processing and manipulating JSON via the command line. First, we looked at some of the essential filters jq offers and how they can be used as the building blocks for more complex operations.

  6. 14 lut 2020 · With jq, we can easily parse JSON in the Bash shell, or even convert XML to JSON. And it doesn't matter whether you have to work with well-engineered, elegant JSON, or the stuff nightmares are made of.

  7. 4 gru 2023 · Table of Contents. Getting Started with JSON Parsing in Bash. Parsing Complex JSON Structures in Bash. Expert-Level JSON Parsing in Bash: Exploring Alternatives. Troubleshooting Common JSON Parsing Issues in Bash. Understanding JSON Data and Bash Scripting. The Power of JSON Parsing in Bash. Wrapping Up: Mastering JSON Parsing in Bash.

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