If you set up a rake task in lib/tasks/your_cron_job.rake with
something like this
namespace :your_cron_job do
desc "describe the task"
task :every_five_minutes => :environment do
@post = Post.new
end
end
you can add it manually to the cron by typing 'crontab -e' which opens
the file for editing (*nix only)
crontab -e
first specify how often you want the job to run... in this case every
5 minutes "*/5 * * * *" along with correct paths to app and rake, set
the RAILS_ENV and task name to execute. Cron is just a file so you'll
enter all the info for the job on one line like so... (if you don't
have a default editor set up already it will prompt you to do so
before entering in this command).
*/5 * * * * cd /var/www/my_ror_application && /usr/bin/rake
RAILS_ENV=production your_cron_job:every_five_minutes
More info here
http://seanbehan.com/programming/set-cron-job-to-run-every-five-minutes-for-a-ruby-on-rails-rake-task/
There are more elegant approaches to this problem. This is just the
quick and dirty.
On Apr 6, 3:32 am, ct9a <[email protected]> wrote:
> hi guys,
>
> I would like to write a script that is runned by cron. It will update
> multiple entries.
>
> Any guides for this?
> I can't figure out how do we choose which ruby environment (ie.
> development/test/production) in the script
> and also, how do I access models in the script (which is also used by
> my rails application)?
>
> thanks
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