Search results
18 mar 2024 · The jsonlint npm package is based on the service at jsonlint.com and makes pretty prints and validations of JSON in the shell trivial. Let’s install it for global use: $ npm install -g jsonlint $ jsonlint --help Usage: jsonlint [file] [options] file file to parse; otherwise uses stdin [...]
24 gru 2009 · Parsing JSON is painful in a shell script. With a more appropriate language, create a tool that extracts JSON attributes in a way consistent with shell scripting conventions. You can use your new tool to solve the immediate shell scripting problem and then add it to your kit for future situations.
7 sie 2023 · Here we learn how to read JSON file in Bash scripting. We will use jq, a powerful command-line utility specifically designed for working with JSON data in Bash.
4 gru 2023 · Python’s ‘json’ module provides methods to encode and decode JSON data. It can be used in a Bash script to parse JSON data in a more Pythonic way. Here’s an example: echo '{"name":"John", "age":30, "city":"New York"}' | python -c "import sys, json; print(json.load(sys.stdin)['name'])" # Output: # John In this example, we’re using ...
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:
Parsing JSON Data with jq. Here's a simple breakdown of how we can use jq to understand and use JSON data in the shell script: Step 1: Creating the JSON File. Imagine the JSON file as a well-organized list. We create a file called names.json with a list of people's names and IDs. It's similar to making a shopping list, but for data:
23 cze 2023 · Creating JSON from the command line or a shell script can be useful when: You need some ad-hoc JSON to interact with a JSON-consuming application; You need to bundle up some data to share or move elsewhere. JSON can a good alternative to base64-encoding or a file archive.
