Popularity
7.1
Growing
Activity
0.7
Growing
39
2
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Programming language: Crystal
Tags:
Misc
Latest version: v0.3.0
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README
CronScheduler
Simple job scheduler with crontab patterns for Crystal Language.
Installation
Add this to your application's shard.yml:
dependencies:
cron_scheduler:
github: kostya/cron_scheduler
Usage
require "cron_scheduler"
require "logger"
L = Logger.new STDOUT
CronScheduler.define do
# normal crontab syntax, 5 tokens (minute, hour, day, month, wday)
at("* * * * *") { L.info "every 1 minute" }
at("*/5 20-23 * * *") { L.info "every 5 minutes between 20-23 hours" }
at("*/2 */3 * * *") { L.info "every 2 minute every 3 hours" }
at("45 * * * *") { L.info "every hour at :45" }
at("* * * * SUN") { L.info "every 1 minute in sunday" }
# I added extra syntax, when 6 tokens, first one parsed as seconds
# (second, minute, hour, day, month, wday)
at("*/3 * * * * *") { L.info "every 3.seconds" }
at("20-45/5 * * * * *") { L.info "every 5.seconds between 20-45" }
at("11,22,33,44-60/2 * * * * *") { L.info "every 11,22,33,44-60/2 seconds" }
end
L.info "Scheduler started"
sleep
Crontab Format
