#!/bin/sh
curl -s "https://data.c3voc.de/rC3/everything.schedule.json" \
    | jq -crM '.schedule.conference.days[].rooms[][] | [.date,.start,.room,.title]' \
    | sed 's/","/|/g' \
    | tr -d '["]' \
    | sed 's/^\(.[^T]*\)T.[^|]*\(.*\)/\1\2/g' \
    | sort \
    | column -s'|' -t \
    | grep "$(date +"%Y-%m-%d")"