The footty command line tool lets you query the online football.db HTTP JSON API services for upcoming or past matches. For example:
$ footty # Defaults to today's euro 2020 (in 2021) matches
prints on Jun/14 2021:
#20 Mon Jun/14 Scotland (SCO) vs Czech Republic (CZE) Group D / Matchday 1
#25 Mon Jun/14 Poland (POL) vs Slovakia (SVK) Group E / Matchday 1
#26 Mon Jun/14 Spain (ESP) vs Sweden (SWE) Group E / Matchday 1
and the next day with footty yesterday:
#20 Mon Jun/14 Scotland (SCO) 0-2 (0-1) Czech Republic (CZE) Group D / Matchday 1
#25 Mon Jun/14 Poland (POL) 1-2 (0-1) Slovakia (SVK) Group E / Matchday 1
#26 Mon Jun/14 Spain (ESP) 0-0 Sweden (SWE) Group E / Matchday 1
prints on Jun/15 2021:
#31 Tue Jun/15 Hungary (HUN) vs Portugal (POR) Group F / Matchday 1
#32 Tue Jun/15 France (FRA) vs Germany (GER) Group F / Matchday 1
and so on.
Use tomorrow or t or +1 to print tomorrow's matches e.g.:
$ footty tomorrow # -or-
$ footty t
Use yesterday or y or -1 to print yesterday's matches e.g.:
$ footty yesterday # -or-
$ footty y
Use upcoming or up or u to print all upcoming matches e.g.:
$ footty upcoming # -or-
$ footty up
Use past or p to print all past matches e.g.:
$ footty past # -or-
$ footty p
That's it. Enjoy the beautiful game.