This maybe a stupid question.. but then again , there is no such thing as a stupid question..

I was wondering if there was a way you can set a cron job with some perl code or some sort of mod. I have never had the chance to use Cron but hope to try it out to see if i can make a certian program. Anyway.. THANX in advance !

ZomZangZoom

Yup, its definatly possible. I actually was working on a script to do this, but got a bit side tracked with some other stuff. I'm hoping to be able to get back on track with it again in about a month.

Andy (mod)
andy@ultranerds.co.uk

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Good stuff... But how is kinda my question....

The way I was doing it was to put the contents of 'crontab -l' into a string. Then split it up into single processes, and then split each of them up into the date/time etc. That let me create a HTML interface of what was already there. Then when someone wanted to add a new cron job, I would just grab the contents of the old file, add the new one, save it to a file, and then run a 'crontab mysavedfile.txt' command vias the `` tool in Perl.

Have a look at what I got here if you want;
http://www.ace-installer.com/cron/setcron.cgi (like I said, I got stopped half way, so most of it wont work, only really the frontpage).

Hope that helps.

Andy (mod)
andy@ultranerds.co.uk

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I am still stuck. Does anyone have any CODE examples I can see to learn how to tell my program to start a cron job or add to it?

Create Cron Jon;
crontab yourfilewithcrontabsin.txt

List CrontTabs
crontab -l

Obviously you need to learn how to get this data, but the main way of doing it is by using ``'s. E.g;


Hope that helps.

Andy (mod)
andy@ultranerds.co.uk

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....which will list all crons if you are root.

....and will only list your usernames crons if not.