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Full Discussion: How to find & auto resize images?
Top Forums Shell Programming and Scripting How to find & auto resize images? Post 302909157 by mirni on Tuesday 15th of July 2014 02:59:20 AM
Old 07-15-2014
No, you don't have it correctly. There are a couple problems with your line:
1. convert takes 2 filenames:
Code:
convert <inputfile> <outputfile>

If you want to perform the operation on the same file, use mogrify instead.
Note that this will overwrite the original file!

2. You are not passing the filenames that find prints to convert. This is done using {}. E.g.
Code:
 find . -type f -name "*.jpg" -exec convert -resize '>736' {} {}.resized \;

But that will keep the suffix, so file image.jpg will become image.jpg.resized.
When renaming with find, it is safer and more convenient to create a script and then do -exec myscript.sh {} \; on a whole set of files.
At first your script can echo the command you are going to run, then you verify the terminal output that it looks right, test it on one or few files and then run it on the whole set.

If you are sure you want to overwrite your inputs, just use mogrify:
Code:
find . -type f -name ..... -exec mogrify -resize '>736' {} \;


I don't know what '>736' specifier means. I assume you got that correct.
This User Gave Thanks to mirni For This Post:
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LEARN ABOUT DEBIAN

pilot-foto

pilot-foto(1)							    PILOT-LINK							     pilot-foto(1)

NAME

       pilot-foto - Palm 'Foto' Image Installer/Remover/Fetcher/Converter

SECTION

       pilot-link: Userland conduits

SYNOPSIS

	pilot-foto  [-p|--port	<port>]  [--version]  [-?|--help]  [-q|--quiet]  [--usage] [-d|--delete] [--delete-all] [-i|--install] [-l|--list]
       [-f|--fetch] [-F|--fetch-all] [-c|--convert]

DESCRIPTION

       This is a palm conduit to fetch, install, or remove, Foto files from a Palm. It can also convert *.jpg.pdb files  that  have  already  been
       fetched from the Palm to jpeg files.

       Delete all, or named fotos from handheld.

       Install one, or many jpeg images to handheld.

       List all jpeg files and thumbnails on handheld.

       Fetch all jpeg files, or certain ones by name.

       Tries to detect if a file really is a jpeg and refuses to install it, if it is not.

       pilot-foto allows you to do multiple operations in one sync. For instance, delete test.jpg and install test.jpg.

USAGE

       pilot-foto -p <port> [options] file

OPTIONS

   pilot-foto options
			       -d, --delete

       Delete a jpg file on the handheld

			       --delete-all

       Delete ALL jpg files on the handheld

			       -i, --install

       Install a jpg file

			       -l, --list

       List all photos and thumbnails

			       -f, --fetch

       Fetch files from the Palm

			       -F, --fetch-all

       Fetch ALL jpg files from the Palm

			       -c, --convert

       convert [file].jpg.pdb files to jpg

   Conduit Options
			       -p,
			       --port port

       Use  device  file port to communicate with the Palm handheld. If this is not specified, pilot-foto will look for the $PILOTPORT environment
       variable. If neither are found or supplied,  pilot-foto	will print the usage information.

			       -q,
			       --quiet

       Suppress 'Hit HotSync button' message

			       -v, --version

       Display version of pilot-foto and exit without connecting.

   Help Options
			       -h, --help

       Display the help synopsis for pilot-foto and exit without connecting.

			       --usage

       Display a brief usage message and exit without connecting.

EXAMPLES

		   Examples:
		   pilot-foto -p /dev/pilot -f pilot-foto -d MyImage.jpg
		   pilot-foto -i MyImage.jpg
		   pilot-foto -i *.jpg
		   pilot-foto -f MyImage
		   pilot-foto -c MyImage.jpg.pdb

PROBLEMS

       Palm has not published their database format for the thumbnails. So, pilot-foto puts a generic penguin thumbnail for every image  uploaded.
       Fotos can be accessed by a named list on the handheld as well as the thumbnails. This has been tried on a couple of handhelds. It is possi-
       ble that a foreign palm or different model will not like it.

       To get a thumbnail image you can copy the jpegs to the memory card. If you copy them back to the handheld they will have  a  new  thumbnail
       that matches the jpeg.

AUTHOR

       This manual page was converted to XML by Neil Williams <linux@codehelp.co.uk>

BUGS

       If  a  jpeg  is	installed with the same name as one already on the palm you will have 2 thumbnails pointing to the same jpeg. The new jpeg
       will overwrite the old jpeg.

       If the thumbnail fails to install then the jpeg should be removed. It is not.

       We have an online bug tracker. Using this is the only way to ensure that your bugs are recorded and that we can track them until  they  are
       resolved  or  closed.  Reporting  bugs  via  email, while easy, is not very useful in terms of accountability. Please point your browser to
       http://bugs.pilot-link.org: http://bugs.pilot-link.org and report your bugs and issues there.

COPYRIGHT

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as  published	by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This  program  is  distributed  in  the	hope  that  it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER-
       CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with this program; if not, write to the Free  Software  Foundation,
       Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

SEE ALSO

	pilot-link(7)

0.12.5							      Copyright 1996-2007 FSF						     pilot-foto(1)
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