What is hcron?
hcron is a periodic command scheduler along the lines of the ubiquitous cron–but with some really useful differences.
hcron scales easily from a handful of events to many thousands:
At Environment Canada, hcron is in 24/7 operational use with over 300 users, over 3000 event definitions, and more than 130000 events scheduled each day.
What Sets hcron Apart?
Many features are unique to hcron:
- events are defined individually (by file)
- key=value based event format
- events are labelled and organized hierarchically
- events are composable (
- template events (
- event chaining (
- powerful and concise variable manipulation
- events do not get clobbered during system reinstalls
- network-oriented rather than host-oriented
Comparing cron/crontab to hcron
hcron event file (called
Using hcron means never needing to check the crontab man page to remember the field order. But there is more to hcron than a key=value approach.
See the Documentation for more.