njq2

jq-like in node

Installation

sudo npm i -g njq2

Examples

• echo '{"a": 123}' | njq2 '.a' -> 123
• echo '[[1],[2,5],3]' | njq2 '.[1][1]' -> 5
• echo '[[1],[2,5],3]' | njq2 '.[1].map(i=>i+1)' -> [ 3, 6 ]
• echo '[{"name": "Peter"}, {"name": "Kevin"}, {"name": "_"}]' | njq2 '.filter(person=>!person.name.startsWith("_")).map(person=>person.name).join(", ")' -> Peter, Kevin
• echo '[{"name":"Peter","birthday":"1995-11-15T00:00:00Z"},{"name":"Kevin","birthday":"1993-11-15T00:00:00Z"},{"name":"Alice","birthday":"1998-11-15T00:00:00Z"}]' | njq2 '.sort((a,b)=>Date.parse(a.birthday)-Date.parse(b.birthday))' -> [{"name":"Kevin","birthday":"1993-11-15T00:00:00Z"},{"name":"Peter","birthday":"1995-11-15T00:00:00Z"},{"name":"Alice","birthday":"1998-11-15T00:00:00Z"}]
• echo 'xyz' | njq2 '"abc" + input' -> abcxyz
• echo 'xyz' | njq2 '.1 + .9' -> 1
• njq2 ".[1]" jsonfile1 jsonfile2 -> 1\n2