jq practice

June 28, 2026•59 words

self-host sandbox environments

jq kungfu

url: https://github.com/robertaboukhalil/jqkungfu
run: python3 -m http.server 9999 & open http://localhost:9999/

jq playground

url: https://github.com/jqlang/playground
run: docker compose up & open http://localhost:3000/

ijq (command-line)

url: https://codeberg.org/gpanders/ijq
run: brew install ijq

online

👍❤️🫶👏👌🤯🤔😂😍😭😢😡😮

More from dernorberto
All posts

jq lessons

June 28, 2026•143 words

jq filters map map(f) applies filter f to each element and collects results e.g. run an operation on every element of the array and output an array with the results foreach foreach is like reduce but outputs at each step foreach EXPR as $var (INIT; UPDATE; EXTRACT) paths() paths() all paths as arrays leafpath paths to all leaf values {"name":"Alice","age":30,"address":{"city":"Berlin","zip":"10115"}} paths(scalars) | join(".") or leaf_paths | join(".") result: "name" ...