On Thu, Dec 07, 2006 at 11:41:23AM -0700, John Schmidt wrote: > On Thursday 07 December 2006 11:16, Nate Bargmann wrote: > > Since there is a lot of knowledge on this list, I thought I'd aske > > here. > > > > This may be trivial, but I'm not even sure how to search for what I > > want to do. > > > > I have a directory of files that are created daily using > > filename-`date +%Y%m%d`.tar.gz so I have a directory with files whose > > names advance from filename-20061201.tar.gz to filename-20061202.tar.gz > > to filename-20061203.tar.gz and so on. Based on the date in the > > filename, I would like to delete any than are X days older than today's > > date. So, I'm not interested in the actual created/modified date, just > > the numeric string in the name. > > This will require some debugging on your part, but hopefully this will be > pretty straightforward > > old_date=20061201 > for file_name in *tar.gz; > do > file_to_remove_date=echo $file_name | tr -d [:alpha:] | tr -d > [=-=]; > if test $file_to_remove_date -le $old_date; > then > echo "rm $file_name"; > fi > done > > > There are certainly better ways to do this. You can do a man tr to see what > the above is doing. > Hi John and Nate, here is a gem to address the 'x days older than today's date' DAYS_OLDER=5 old_date=$(date --date="now - $DAYS_OLDER day" +%Y%m%d) cheers, --Kev
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