Alternative to Crontab

[Bruce Marshall]

On Thursday 22 November 2007, jenix wrote:
> Hi, my ISP does not allow cron to be run less than every 5 minutes. I need
> to fetch a (dynamic) file from a remote site every minute or whenever it
> changes. What alternatives are available to achieve this?

I guess my question is:  "how does your ISP know you are runnng cron less than 
5 minutes?  Must be watching the activity on your machine.

In which case, it is not cron that is the problem, it is the activity......

'at' is another program that will execute something at a later time, but the 
activity will be the same.

I think we need to know more....