I have a FreeNAS server hosting all of my images. The original images are high resolution. What I would like to do is 2 parts:
1. do a batch resize of all of the images so I have web-friendly version and print ready version
2. run a cron job to apply the bash to any "new" files
First I want to tackle the bash script. As far as I can tell, these are the things that I must take into account:
1. I have a directory structure that I want to duplicate and maintain
2. I want to keep the originals
3. I want a duplicate that is web-friendly
4. Original dir is "./pictures"
5. New dir is "./resized"
6. Script will live in the "/pictures" dir
7. Identify new images
I think that is it!
I know how to copy the structure but I don't think that Imagemagick will check recursively by itself. That is where I am stuck.
I'm relatively new to bash, but here is what I have so far:
Code:
#!/bin/bash
# find all directories, copy structure
find . -type d | cpio -pvdm ../resized
# creates the new image, move to new dir
for f in *.jpg;
do
echo "Processing $f"
convert -resize "50%" \
$f ./resized/$f
done
The copy of the image "$f ./resized/$f" will just be dumped into the root of "/resized". So I am stuck there too.
I'm also wondering about the logic for the next step of checking for new images, then running the convert part on that. Is there a command that will compare the dir and identify the new files?
Hi
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LEARN ABOUT DEBIAN
xen-update-image
XEN-UPDATE-IMAGE(8) Perl Programmers Reference Guide XEN-UPDATE-IMAGE(8)NAME
xen-update-image - Update the software installed upon offline Xen images.
SYNOPSIS
xen-update-image [options] imageName1 imageName2 .. imageNameN
Help Options:
--help Show this scripts help information.
--manual Read this scripts manual.
--version Show the version number and exit.
General Options:
--dir Specify the directory which contains the image(s).
--lvm Specify the LVM volume group which contains the image(s).
--evms Specify the EVMS container which contains the image(s).
OPTIONS --dir Specify the directory which contains the image(s).
--evms Specify the EVMS container which contains the image(s).
--help Show the script help.
--lvm Specify the LVM volume group which contains the image(s).
--manual Read the manual.
--version Show the version number and exit.
DESCRIPTION
xen-update-image is a simple script which allows you to update
a Xen image of Debian which has been created with xen-create-image.
It does this by mounting the image inside a temporary directory
then running:
apt-get update
apt-get upgrade
NOTE If the image is already running within Xen this will cause
corruption otherwise it will allow you to update your image without
booting it.
EXAMPLES
The following assumes there are two images which are not currently
running. The images are called 'test.my.flat', and 'x11.my.flat'.
Updating both images can be accomplished by executing:
xen-update-images --dir=/home/xen test.my.flat x11.my.flat
AUTHORS
Steve Kemp, http://www.steve.org.uk/
Axel Beckert, http://noone.org/abe/
StA~Xphane Jourdois
LICENSE
Copyright (c) 2005-2009 by Steve Kemp, (c) 2010 by The Xen-Tools Development Team. All rights reserved.
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The LICENSE file contains the
full text of the license.
4.3.1 2012-06-30 XEN-UPDATE-IMAGE(8)
08-12-2009
Bash for image resize using ImageMagick
