Script to move certain no. of files every second Post: 303001448

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Top Forums Shell Programming and Scripting Script to move certain no. of files every second Post 303001448 by Don Cragun on Thursday 3rd of August 2017 04:45:54 PM

08-03-2017

Registered User

Why do you care how many files you can move in a second?

Why not just start moving files from the 1st file you want to move to the last file you want to move and just quit when you're done?

What are your "limitations with file parsing"? You can easily run into maximum argument length limits if you are trying to construct an mv command with 10,000 pathnames as operands; but that isn't file parsing. And, it can easily be worked around with the find utility with a couple of selection primaries and an -exec primary to perform the moves in chunk that will not exceed the arglist length limits on your system.

Depending on what operating system and shell you're using there may also be other ways to do what you need to do; but with the very limited information you have provided, it is very hard to make any reasonable suggestions.

If it really matters, note that trying to guess how many files can be moved in a second varies greatly from operating system to operating system, from filesystem type to filesystem type, how much activity there is on the filesystems involved, and on network characteristics if you're trying to move files to a remote directory as well as depending on the hardware being used and the sizes of the files being moved. You haven't given us any of the information that would be required to meet your requirements

Don Cragun

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LEARN ABOUT OSF1

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)