Re: [tlug] Setting Date Variable for Cron Job

[Charles Muller <acmuller@example.com>]

Thanks to all for the advice on the Cron line, and especially to
Stephen, for the detailed instruction.

It now works the way it should.

Regards,

Chuck


-----------------------------------


> >>>>> "Charles" == Charles Muller <acmuller@example.com> writes:
> 
> cp -f /home/chuck/.emacs /home/chuck/Documents/programming/emacs-`date+"%Y%m%d"`.txt
> 
> (1) As a matter of style, you should put the `+' inside the "".
> (2) You don't need the "".
> (3) You _do_ need a space between the "data" and the "+" -- it's
>     protected by the backquotes, so it doesn't break up the file name.
> (4) You should get in the habit of doing this in stages, eg
> 
> TIMESTAMP=`date+"%Y%m%d"`
> cp -f /home/chuck/.emacs /home/chuck/Documents/programming/emacs-$TIMESTAMP.txt
> 
> The reason is that as you start doing more complex things, you'll want
> to manipulate the same file later, eg
> 
> TIMESTAMP=`date+"%Y%m%d"`
> cp -f /home/chuck/.emacs /home/chuck/Documents/programming/emacs-$TIMESTAMP.txt
> gzip -9 /home/chuck/Documents/programming/emacs-$TIMESTAMP.txt
> 
> There are ways to do this without the variable, but they're either
> less reliable, or harder to understand and debug.
> 
> -- 
> Institute of Policy and Planning Sciences     http://turnbull.sk.tsukuba.ac.jp
> University of Tsukuba                    Tennodai 1-1-1 Tsukuba 305-8573 JAPAN
>  My nostalgia for Icon makes me forget about any of the bad things.  I don't
> have much nostalgia for Perl, so its faults I remember.  Scott Gilbert c.l.py
> 
>