Copy the latest file from one directory to another Post: 302341966

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Top Forums Shell Programming and Scripting Copy the latest file from one directory to another Post 302341966 by zaxxon on Friday 7th of August 2009 04:28:23 AM

08-07-2009

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One possible way:

Code:

cp -p `ls -tr1 a/b/processed| tail -1` a/b/data

Take care of paths or relative paths. Your example is not exact enough to exclude all possible error sources.
If you want to make sure there is no directory etc. being tried to be copied by this you might want to add -F to the ls and grep for the type of file you want to copy. They will be marked by one of this */=>@|.

zaxxon

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LEARN ABOUT DEBIAN

dh_di_numbers

DH_DI_NUMBERS(1)						     Debhelper							  DH_DI_NUMBERS(1)

NAME

       dh_di_numbers - install numbered scripts into package build directories

SYNOPSIS

       dh_di_numbers [debhelper options] [dir [...] dest]

DESCRIPTION

       dh_di_numbers is a debhelper program that installs directories of numbered scripts into package build directories.

       Within each directory, there should be a "_numbers" file in which each line contains at least two space-separated fields. The first field
       in each line is a two-digit number, which will be prefixed to the entry name to provide ordering within the directory; the second is the
       entry name, which must correspond to a file or directory alongside the "_numbers" file; and the third field, if present, is another two-
       digit number which identifies another entry with the same entry name to which this entry should be a symlink.

       Any additional directory names specified as parameters will be installed in the package build directory of the first package dh_di_numbers
       is told to act on. By default, this is the first binary package in debian/control, but if you use -p, -i, or -a flags, it will be the first
       package specified by those flags.

FILES

       debian/package.di-numbers
	   List the directories to install into each package and the directory they should be installed to. The format is a set of lines, where
	   each line lists a directory or directories to install, and at the end of the line tells the directory they should be installed in. The
	   name of the directories to install should be given relative to the current directory, while the installation directory is given
	   relative to the package build directory. You may use wildcards in the names of the files to install (in v3 mode and above).

OPTIONS

       dir [...] dest
	   Lists directories to install and where to install them to. The files will be installed into the first package dh_di_numbers acts on.

SEE ALSO

       debhelper(7)

       This program is a part of dh-di.

AUTHOR

       Colin Watson <cjwatson@debian.org>

3								    2009-09-16							  DH_DI_NUMBERS(1)