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Full Discussion: Find Duplicate files, not by name
Top Forums Shell Programming and Scripting Find Duplicate files, not by name Post 302299619 by Ikon on Friday 20th of March 2009 02:15:44 PM
Old 03-20-2009
Find Duplicate files, not by name
I have a directory with images:
Code:
-rw-r--r-- 1 root root 26216 Mar 19 21:00 020109.210001.jpg
-rw-r--r-- 1 root root 21760 Mar 19 21:15 020109.211502.jpg
-rw-r--r-- 1 root root 23144 Mar 19 21:30 020109.213002.jpg
-rw-r--r-- 1 root root 31350 Mar 20 00:45 020109.004501.jpg
-rw-r--r-- 1 root root 31350 Mar 20 01:00 020109.010002.jpg
-rw-r--r-- 1 root root 31350 Mar 20 01:15 020109.011501.jpg
-rw-r--r-- 1 root root  8060 Mar 20 01:30 020109.013002.jpg
-rw-r--r-- 1 root root  8062 Mar 20 01:45 020109.014501.jpg

Some images are identical, but file names are different.

How can I write a script to find and delete the duplicates.

Is there a better way than this?

Code:
#!/bin/bash
DIR="/path/to/images"
echo "Starting:"
for file1 in ${DIR}/*.jpg; do
        for file2 in ${DIR}/*.jpg; do
                if [ $file1 != $file2 ]; then
                        DIFF=`diff "$file1" "$file2" -q`
                        if [ "${DIFF%% *}" != "Files" ]; then
                                echo "Same: $file1 $file2"
                                echo "Remove: $file2"
                                rm "$file1"
                                break
                        fi
                fi
        done
done
echo "Done."

 

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LEARN ABOUT REDHAT

gthumb

gthumb(1)																 gthumb(1)

NAME

       gThumb - an image viewer and browser for GNOME

SYNOPSIS

       gthumb [--help] [--version] [-f] [--fullscreen] [-s] [--slideshow] [directory] [filename] ...

DESCRIPTION

       With  gThumb  you  can  browse  your hard disk viewing thumbnails of image files.  It also lets you view single files (including GIF anima-
       tions), add comments to images, organize images in catalogs, print images, view slideshows, set your desktop background, and more.

OPTIONS

       -f, --fullscreen
	      Start in fullscreen mode.

       -s, --slideshow
	      Automatically start a slideshow.

       --help Output help information and exit.

       --version
	      Output version information and exit.

       Usual other GNOME options apply as well.

EXAMPLES

       To run this program the standard way type:

	    gthumb

       To view the content of a directory type:

	    gthumb /path/to/directory

       To view all images with jpg extension type:

	    gthumb *.jpg

AUTHORS

       Written by Paolo Bacchilega <paolo.bacch@tin.it>.

       This manual page was originally written by Remco van de Meent <remco@debian.org>, for the Debian GNU/Linux system,  now	is  maintained	by
       Paolo Bacchilega.

GNOME Applications						     May 2002								 gthumb(1)
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