This is a simple application which uses Bash and SQLite for keeping records of your activities. It has been made for didactical purposes.
$ ./workout log.db init
$ ./workout log.db new-activity bike km "regular bike"
$ ./workout log.db new-event bike 73.2 "long trip"
Grouped by activity:
$ ./workout log.db stats
Grouped by activity and week number:
$ ./workout log.db stats-weekly