Do we have an entry for …
Monday?
jq -c '.timesheet|has("monday")' jsons/2021-07.json
Saturday?
jq -c '.timesheet|has("saturday")' jsons/2021-07.json
Learning jq through a timesheet app
jq -c '.timesheet|has("monday")' jsons/2021-07.json
jq -c '.timesheet|has("saturday")' jsons/2021-07.json