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Imagemagick thumbnailer

Published: 29-11-2007 | Author: Remy van Elst | Text only version of this article


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Below you'll find the script that makes nice thumbnails from a bunch of images.I've used it on the links page on this website. (Which is not around anymore).First I made screenshots of the website's I wanted, with the firefox add-onscreengrab. It also works with pictures, but then you'll have to change the pngto jpg in the script. The script also makes a HTML page with a 2 collumn tablewitth the thumbs in it.

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Make sure you have imagemagick installed:

sudo apt-get install imagemagick

or

sudo pacman -S imagemagick

The script:

####################################### Raymii.org Thumbr script        #### Version 0.2. Just bugfixes...   ########################################!/bin/bashNUMMR=1EXTENSION="jpg";mkdir workmkdir -p finished/pics GALL=./finished/gallery.htmlrm -rf $GALL echo "Made with raymii.orgs gallery thumber" > $GALL tabhead=" <table border="0" bordercolor="0" >" tabfeet=" </table >" echo $tabhead >> $GALL for i in *.$EXTENSION; do cp -rf -v "$i" "./work/$NUMMR.$EXTENSION"; convert ./work/$NUMMR.$EXTENSION -auto-orient  -thumbnail 160x160 -unsharp 0x.5 ./work/$NUMMR.w1.png convert ./work/$NUMMR.w1.png  -bordercolor white -border 6  -bordercolor grey60 -border 1  -bordercolor none -background none  ( -clone 0 -rotate `convert null: -format '%[fx:rand()*30-15]' info:` )  ( -clone 0 -rotate `convert null: -format '%[fx:rand()*30-15]' info:` )  ( -clone 0 -rotate `convert null: -format '%[fx:rand()*30-15]' info:` )  ( -clone 0 -rotate `convert null: -format '%[fx:rand()*30-15]' info:` )  -delete 0 -border 100x100 -gravity center  -crop 200x200+0+0 +repage -flatten -trim +repage  -background black ( +clone -shadow 60x4+4+4 ) +swap  -background none -flatten  "./work/$NUMMR.thumb.png" cp ./work/$NUMMR.thumb.png ./finished/pics/$NUMMR.pngevenline=" <tr > <td > <a href=""><img src="pics/$NUMMR.png" alt=" pic $NUMMR - made by raymii.org script" / > </a></td >" oddline=" <td > <a href=""><img src="pics/$NUMMR.png" alt=" pic $NUMMR - made by raymii.org script" / > </td > </a></tr >"  slot=$(( $NUMMR % 2 )) if [ $slot -eq 0 ] then  echo $oddline >> $GALL else  echo $evenline >> $GALL fi let "NUMMR += 1" done echo $tabfeet >> $GALL rm -rf ./work exit 0 

The thumbing effect was copied from the example pages from imagemagick.

Tags: bash, imagemagick, snippets, thumbnails