I wrote this script:
if [[ ! -z $1 ]]; then
echo "One picture"
convert -resize 25% "$1" "$1"_small
else
echo "All pictures"
for fullfile in *.[Jj][Pp][Gg]; do
echo "Making thumbnail"
filename=$(basename "$fullfile")
extension="${filename##*.}"
filename="${filename%.*}"
convert -resize 25% "$fullfile" "$filename"_small.$extension
done
fi
On 04/28/2015 04:31 PM, Tim Kelley wrote:
You could use convert to degrade the quality rather than size, so the
page won't be moving about when loading.
Tim Kelley
On Tue, Apr 28, 2015 at 12:14 PM, Siard <shiems...@kpnplanet.nl
<mailto:shiems...@kpnplanet.nl>> wrote:
Steve Greig wrote:
> I have about 60 large jpg files in a directory. They are almost all
> over 2MB in size. I want to put them on the internet but wanted to
> make a thumbnail version and a small version (about 75KB) of
each one
> so the web page does not take too long to load. Normally I just open
> them in GIMP and modify them and save the smaller versions. Because
> there are 60 this is going to take quite a lot of time.
>
> Is there a utility available for Debian that could do them all.
You could install package gimp-plugin-registry.
Among many other things, it adds batch processing to GIMP.
Access it via Filters > Batch > Batch Process...
Under tab 'Resize' you can enter either scale factor or absolute size.
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