Re: crontab and command expansion problem

["D. Clarke" <dclarke@FlatlineSystems.net>]

Isaac Claymore wrote:

> > > WEEK_DAY=`date +\%A`
> > > 30 23 * * * mount /backup && mysqldump --password=FOOBAR --all-databases > /backup/alldb-${WEEK_DAY}.sql; umount /backup
> > >
> > > It's been working on RH system, but the Debian cron keeps refusing to do command
> > > expansion on WEEK_DAY, i.e. the script produces a file named: alldb-`date +\%A`.sql
> > >
> > > Any hint?
> > >      
> > A little on the simple-minded side, but have you considered just not
> > using the variable?  I have a cron job that does
> >
> > 12 4 * * 2 /some/script | mail -s "Info for `date +'\%B \%-d, \%Y'`" ad@dr.ess
> >
> > and it has never given me any trouble.
> >    
>
> Thanks, but I've got multiple crontab entries that use `date +\%A`, so it looks
> better to me to assign it to a variable.
>
>  
I would probably take your backup sequence and make a script in /etc/cron.daily

It would give you much more flexability for what you want to do.


~ Darryl