How to process JSON stream with JQ Stack Overflow?

How to process JSON stream with JQ Stack Overflow?

(2) One way to use the streaming parser here would be to use it to process the output of .results [0].data, but the combination of the two steps will probably be slower than the vanilla approach. jq -nc –stream ‘ fromstream (inputs | select ( [.

How to format streaming JSON output from…?

Replace the sed command with your desired jq command. Assuming there are n lines of non-JSON output, the following short script would pass these lines on as they are, and use jq to format the remaining lines.

How to format JSON output from Node.js?

The core idea here is to read the desired number of header lines, print them back out unchanged, then pass the rest of the input to jq (sed, here). Replace the sed command with your desired jq command.

How to parse JSON files on the Linux command line?

The same as the Linux command line, jq uses the vertical bar (|) to represent a pipe. We’ll tell jq to pipe the people array into the.name filter, which should list the names of the astronauts in the terminal window. We type the following: jq “.people [] |.name” astro.json

How to parse JSON from the command line?

There are a number of tools specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq: curl -s ‘https://api.github.com/users/lambda’ | jq -r ‘.name’

Do you need a real JSON parser in Bash?

To all the haters who insist you should use a real JSON parser — yes, that is essential for correctness, but To do a really quick analysis, like counting values to check on data cleaning bugs or get a general feel for the data, banging out something on the command line is faster. Opening an editor to write a script is distracting.

Is there a hacky way to parse JSON?

There are somewhat hacky ways to do it, but many of them can break if keys or values contain certain special characters.