2007/10/24, Martin Marcher <[EMAIL PROTECTED]>: > 2007/10/24, Guilherme Polo <[EMAIL PROTECTED]>: > > 2007/10/24, Martin Marcher <[EMAIL PROTECTED]>: > > > I had a look at the crontab docs and never realized how complex it > > > actually is. So before I spend time in creating such a thing maybe > > > someone did it already :) > > > > > > > When you say complex, are you talking about the possible ways to > > define when your job runs ? You could use a parser for the time format > > it uses, like this: > > http://umit.svn.sourceforge.net/viewvc/umit/branch/ggpolo/umitCore/CronParser.py?revision=1175&view=markup > > This looks nice for starters. But the crontab(5) manpage has a lot > more - that's what I meant by complex. I guess it's just quite some > typing work :) > > * lists > * 1,2,4 > * ranges > * 1-3 > * steps > * 1-12/2 > * "*/3"
It supports all these, so your "complex" argument was cut down again. > * specials > * @annually > * @weekly > * @daily > * ... These specials aren't really complex, it is just some pre-sets > * mixes there of > * 1-4,6,16-22/3 Supports too, complexity is over again > (this actually depends on which cron you use, the > lowest common denominator would be to use either lists or ranges > (or ranges with steps)) > > Then there is the difference of roots crontab where whe have a line > like this: > > # minute hour dom month dow user command > 0 * * * * nobody echo foo > > A users crontab > # minute hour dom month dow command > 0 * * * * echo foo > For this you basically check how many fields it has, so you can determine if there is an user especified or not. > and all the variables one could use. with a few of them being > mandatory (LOGNAME, or USER depending on the OS), some of them being > standard variables (SHELL, > PATH) and of course custom variables. > If you need to use these you should know how to use these, just write them and let the crontab app handle it. > > -- > http://noneisyours.marcher.name > http://feeds.feedburner.com/NoneIsYours > -- > http://mail.python.org/mailman/listinfo/python-list > -- -- Guilherme H. Polo Goncalves -- http://mail.python.org/mailman/listinfo/python-list