Node Version Manager - POSIX-compliant bash script to manage multiple active node. If applied to the JSON-string from the question the wanted result can be found in ${json_Messages_Body[0]}, just try it, it's just too obvious. If you want to insert a complex value bash is almost certainly more trouble than it's worth. The article provides practical examples but notes limitations such as handling complex JSON structures and This should convert a json array to a bash array regardless of the contents of the json entries. Jan 16, 2026 · Learn how to loop through a JSON file in bash and extract values into variables using jq. It explains that combining the `-o` and `-P` flags enables intricate pattern matching with Perl-compatible regular expressions to effectively pull specific values from JSON. However, processing raw JSON in bash and other Unix shells can be challenging without the right tools. local. Feb 24, 2022 · Templating JSON data into a Variable, in Bash Building a JSON string in Bash can be pretty fiddly and annoying, with quoting and formatting and variable substitution, etc… If you only have a little JSON, using a printf template works well, like this: Jun 15, 2022 · I am having trouble getting the AWS cli working nicely with a bash variable. claude/settings. Next, we just pipe some JSON data to JSON. Laravel is a PHP web application framework with expressive, elegant syntax. Aug 23, 2022 · Note that injecting the values of shell variables into JSON documents may result in broken JSON strings due to the lack of encoding special values. In bash, it only saves executing cat, bash still spawn an extra process. We began by understanding the differences between how Bash and JSON handle data types, and the importance of JSON’s rigid syntax for consistency and error reduction. Dec 21, 2020 · I have a bash script that does a post request to a GraphQL endpoint. sh: Oct 1, 2025 · * **Simple Coordinate Outputs:** Provides the final coordinates in multiple formats: a clean JSON string of the coordinate(s) (compatible with SAM2 nodes), and, separately, the first X and Y coordinates as integers (first detected mask only) Oct 24, 2023 · JSON (JavaScript Object Notation) has become the ubiquitous data format across web APIs, configuration files, and data pipelines. We’ve already laid the foundation — freeing you to create without sweating the small things. We will use jq, a powerful command-line utility specifically designed for working with JSON data in Bash. Oct 22, 2023 · Learn the process of importing to bash script from JSON on Linux in a detailed manner. JSON which does not contain nested arrays, and JSON from trustworthy sources (else it may confuse your shell script, perhaps it may even be able to harm your system, You have been warned) Well, yes, it uses PERL to do this job, thanks to CPAN, but is small enough for inclusion directly into a script and hence is quick and easy to debug: There are many blog posts on how to use tools like jq to filter JSON at the command line, but in this article I write about how you can actually use JSON to make your life easier in Bash with different variable assignment and loop techniques. --argjson <var> <json> replaces $<var> with the Json blob <json>. r/bash Current search is within r/bash Remove r/bash filter and expand search to all of Reddit Dec 3, 2022 · 4 how to convert json file data to string in bash shell script? i have below petstore swagger file (https://petstore. json when it is created. Luckily there’s a better way using a tool called jq. And my answer explains how to access JSON in Shell and Perl. sh JSON. Nov 3, 2014 · Reviewing previous answers @Ján Lalinský To load JSON object into a bash associative array efficiently (without using loops in bash), one can use tool 'jq', as follows. Apr 28, 2022 · I know that jq can take serialized JSON strings to format/filter/modify the content. This concise guide reveals essential commands and tips for seamless data handling. However, within this json string I am using a variable $ Jun 23, 2021 · I need to parse this JSON so the array of strings inside JSON can convert to "space separated string". io/v2/swagger. Aug 12, 2024 · In this article, we explored several methods for converting Bash variables to a valid JSON string. Discover effective techniques to handle JSON data seamlessly in your scripts. With the output_processor, you can transform this string into a JSON object before storing it in XCom. Jul 13, 2024 · Parsing JSON data in Bash is useful for quick data manipulation and automation tasks, and is easily-integrated into Bash scripting. bash Dec 15, 2025 · In this guide, we’ll walk through converting raw JSON data into a clean, readable terminal table using `jq` (a powerful command-line JSON processor) and bash utilities. load’ to load the JSON data. So I need to make a pure JSON string using a variable, and I'm bashing (no pun intended) my head against the wall trying to get the result I want: The desired result looks like this: Jul 12, 2022 · There are always lots of ways to do things, especially when coding.

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