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Full Discussion: File Copy based on file receive date
Top Forums Shell Programming and Scripting File Copy based on file receive date Post 302926783 by Don Cragun on Thursday 27th of November 2014 05:05:04 AM
Old 11-27-2014
The find -mtime 1 primary looks for files that are exactly 24 hours old. If you run two invocations of find a second apart, they will not copy the same file (if either of them finds any file at all).

If your script runs close to midnight every night and your daily file comes in around 6am every morning, you can get by with:
Code:
cd /mydir
find . -type f -mtime -1 -exec cp {} /destdir\;
find . -type f -mtime -1 -exec cp {} /destdir1\;

to copy files that are less than 24 hours old.

If you might get a file close to midnight (just before, while, or just after your script is run) or your cron job might not run every day (and you still want to copy each file exactly once), you could try something like:
Code:
cd /mydir
touch /destdir/.now
find . -type f -newer /destdir/.previous -exec cp {} /destdir \;
find . -type f -newer /destdir/.previous -exec cp {} /destdir1 \;
mv /destdir/.now /destdir/.previous

You'll need to create /destdir/.previous with an appropriate timestamp before you run this script the first time, but after that it should do what you want. There is, however, a chance that a file will be copied twice (once today and once again tomorrow) if a file is created in /mydir while your script is running.
 

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DH_BUILDDEB(1)							     Debhelper							    DH_BUILDDEB(1)

NAME

       dh_builddeb - build Debian binary packages

SYNOPSIS

       dh_builddeb [debhelperoptions] [--destdir=directory] [--filename=name] [--params]

DESCRIPTION

       dh_builddeb simply calls dpkg-deb(1) to build a Debian package or packages.

       It supports building multiple binary packages in parallel, when enabled by DEB_BUILD_OPTIONS.

OPTIONS

       --destdir=directory
	   Use this if you want the generated .deb files to be put in a directory other than the default of "..".

       --filename=name
	   Use this if you want to force the generated .deb file to have a particular file name. Does not work well if more than one .deb is
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	   Pass params to dpkg-deb(1) when it is used to build the package.

       -uparams
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SEE ALSO

       debhelper(7)

       This program is a part of debhelper.

AUTHOR

       Joey Hess <joeyh@debian.org>

9.20120909							    2012-05-13							    DH_BUILDDEB(1)
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