iteration – Tarik Billa

Output specific key value in object for each element in array with jq for JSON

February 10, 2023 by Tarik

The command-line tool jq writes to STDOUT and/or STDERR. If you want to write the .AssetId information to STDOUT, then one possibility would be as follows: jq -r “.[] | .AssetId” input.json Output: 14462955 114385498 29715011 98253651 A more robust incantation would be: .[] | .AssetId? but your choice will depend on what you want … Read more

What is the cleanest way to get the sum of numbers in a collection/list in Dart?

January 15, 2023 by Tarik

Dart iterables now have a reduce function (https://code.google.com/p/dart/issues/detail?id=1649), so you can do a sum pithily without defining your own fold function: var sum = [1, 2, 3].reduce((a, b) => a + b);