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Full Discussion: Access the oldest file in a dir
Top Forums UNIX for Dummies Questions & Answers Access the oldest file in a dir Post 302462990 by methyl on Friday 15th of October 2010 12:35:44 PM
Old 10-15-2010
I'd love to know where this "for i in open-ended-list" construct comes from.

Anyway, we can turn the script from a "for" loop to a "while" loop.
I'd suggest inserting some "sleep" statements in this script because it will loop at a ridiculous rate.
As an idea, try getting out of the inner loop with a "break" command when the destination directory has reached the limit. If you don't there is a good chance that you will process your files list out of order.
There is no code to deal with embryonic files. I hope that they arrive in $sourceDir under a name other than *.txt, then get renamed?

Code:
while true
do
    ls -t "${sourceDir}"/*.txt 2>/dev/null | while read filename
    do
        if [ `find "${DestinDir}" -name "*.txt" | wc -l` -lt 50 ]
        then
            if [ -f "${sourceDir}/${filename}" ]
            then
                mv "${sourceDir}/${filename}" "${DestinDir}"
            fi
        else
            # Stop processing the list if the destination directory is full
            break
        fi
        sleep 1
    done
    sleep 30
done

 

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LEARN ABOUT MINIX

dh_movefiles

DH_MOVEFILES(1) 						     Debhelper							   DH_MOVEFILES(1)

NAME

       dh_movefiles - move files out of debian/tmp into subpackages

SYNOPSIS

       dh_movefiles [debhelperoptions] [--sourcedir=dir] [-Xitem] [file...]

DESCRIPTION

       dh_movefiles is a debhelper program that is responsible for moving files out of debian/tmp or some other directory and into other package
       build directories. This may be useful if your package has a Makefile that installs everything into debian/tmp, and you need to break that
       up into subpackages.

       Note: dh_install is a much better program, and you are recommended to use it instead of dh_movefiles.

FILES

       debian/package.files
	   Lists the files to be moved into a package, separated by whitespace. The filenames listed should be relative to debian/tmp/. You can
	   also list directory names, and the whole directory will be moved.

OPTIONS

       --sourcedir=dir
	   Instead of moving files out of debian/tmp (the default), this option makes it move files out of some other directory. Since the entire
	   contents of the sourcedir is moved, specifying something like --sourcedir=/ is very unsafe, so to prevent mistakes, the sourcedir must
	   be a relative filename; it cannot begin with a `/'.

       -Xitem, --exclude=item
	   Exclude files that contain item anywhere in their filename from being installed.

       file ...
	   Lists files to move. The filenames listed should be relative to debian/tmp/. You can also list directory names, and the whole directory
	   will be moved. It is an error to list files here unless you use -p, -i, or -a to tell dh_movefiles which subpackage to put them in.

NOTES

       Note that files are always moved out of debian/tmp by default (even if you have instructed debhelper to use a compatibility level higher
       than one, which does not otherwise use debian/tmp for anything at all). The idea behind this is that the package that is being built can be
       told to install into debian/tmp, and then files can be moved by dh_movefiles from that directory. Any files or directories that remain are
       ignored, and get deleted by dh_clean later.

SEE ALSO

       debhelper(7)

       This program is a part of debhelper.

AUTHOR

       Joey Hess <joeyh@debian.org>

11.1.6ubuntu2							    2018-05-10							   DH_MOVEFILES(1)
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