Recipes for jq

jq_stuff.sh

# zip two arrays (from https://github.com/stedolan/jq/issues/609#issuecomment-61155381)
def input:{"id":["cc-by","cc-zero"], "labels":["Creative Commons Attribution", "Creative Commons Zero"]};
def output:
  .id as $ids | .labels as $labels
  | reduce range(0; $labels|length) as $i
      ([]; . + [{ "id": $ids[$i], "label": $labels[$i] }]);

input| output

-> [{"id":"cc-by", "label":"Creative Commons Attribution"}, {"id":"cc-zero", "label":"Creative Commons Zero"}]

# zip two arrays, but use a default if the second array doesn't exist:
def input:{"id":["cc-by","cc-zero"]};
def output:
  .id as $ids | (.id // .labels) as $labels
  | reduce range(0; $labels|length) as $i
      ([]; . + [{ "id": $ids[$i], "label": $labels[$i] }]);

input| output

-> [{"id":"cc-by", "label":"cc-by"}, {"id":"cc-zero", "label":"cc-zero"}]