scheduler for laptops which aren't on 24/7
Scron schedules commands to run daily, weekly, monthly, or annually. If your machine is off, scron will attempt to run a scheduled as soon as possible. See Scron on GitHub.
$ gem install scron $ crontab -e 0 */2 * * * scron -r
Install as a rubygem via
gem install scron. Then configure cron to run it
every 2 hours.
$ vim ~/.scron 1d daily-cmd 7d 7-days-cmd Mo,Fr mondays-and-fridays-cmd 1st,23rd twice-a-month-cmd 4/15 once-a-year-cmd
Scron can be configured via the
~/.scron file. It uses a simple format: left column for
schedule and right column for unix command.
Scron will attempt to run whenever a schedule goes stale. For example, if its been 25 hours since the last run
and the command is scheduled for
1d. Or if your laptop was off on Friday but on Saturday, and the
command was scheduled for Fridays.
$ cat ~/.scronlog $ cat ~/.scrondb
Last run timestamps are stored in
~/.scrondb. STDOUT of commands with timestamps
are logged in
Scron is released under the BSD License and developed by Hugh Bien. Follow me via @hughbien.