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Full Discussion: file name shortening for multiple directories
Top Forums Shell Programming and Scripting file name shortening for multiple directories Post 302691557 by giseismology on Friday 24th of August 2012 08:37:06 PM
Old 08-24-2012
hi! thanks for the fast response.
the first example you gave wouldn't work because i need to shorten the file names in about 1500 different directories. hence i would like a program that can start at the first directory perform the code. move to the next directory, perform the code. move to the next, perform the code, and so on until it gets to the end of the list of directories.
in the second example you gave i'm not sure what "list_of_directories.txt" means or where i would find that. i'm very new to this whole bash thing so if you don't mind giving explanations that would be great!
as far as the code that i gave before (copied from an earlier thread), all it does is takes all of the files in a directory in which it is saved and shortens them to 30 characters and adds a 1 or 2 if some of the files have the same name after they've been shortened. so my end goal is to apply that code to files in many different directories so i don't have to go into each of the 1500 directories i have and run the code. thanks again for any help! hopefully that made sense?
 

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LEARN ABOUT CENTOS

hardlink

hardlink(1)						      General Commands Manual						       hardlink(1)

NAME

       hardlink - Consolidate duplicate files via hardlinks

SYNOPSIS

       hardlink [-c] [-n] [-v] [-vv] [-h] directory1 [ directory2 ... ]

DESCRIPTION

       This manual page documents hardlink, a program which consolidates duplicate files in one or more directories using hardlinks.

       hardlink  traverses  one or more directories searching for duplicate files.  When it finds duplicate files, it uses one of them as the mas-
       ter.  It then removes all other duplicates and places a hardlink for each one pointing to the master file.  This allows for conservation of
       disk space where multiple directories on a single filesystem contain many duplicate files.

       Since hard links can only span a single filesystem, hardlink is only useful when all directories specified are on the same filesystem.

OPTIONS

       -c	 Compare  only	the  contents of the files being considered for consolidation.	Disregards permission, ownership and other differ-
		 ences.

       -f	 Force hardlinking across file systems.

       -n	 Do not perform the consolidation; only print what would be changed.

       -v	 Print summary after hardlinking.

       -vv	 Print every hardlinked file and bytes saved. Also print summary after hardlinking.

       -h	 Show help.

AUTHOR

       hardlink was written by Jakub Jelinek <jakub@redhat.com>.

       Man page written by Brian Long.

       Man page updated by Jindrich Novy <jnovy@redhat.com>

BUGS

       hardlink assumes that its target directory trees do not change from under it.  If a directory tree does change, this may result in hardlink
       accessing  files  and/or directories outside of the intended directory tree.  Thus, you must avoid running hardlink on potentially changing
       directory trees, and especially on directory trees under control of another user.

																       hardlink(1)
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