On Dec 31, 2015 1:57 PM, "Michael Havens" <[email protected]> wrote:
Is there a way to scale a bunch of pictures down to the same size
with GIMP?
Probably, but it'd be a lot more of a pain to do that than to do what
sean suggested.
On 2015-12-31 14:07, sean wrote:
Use ImageMagick instead - it's designed for this and is quite
powerful.
To expand on what sean wrote:
for FILE in *.jpg ; do
NEWFILE=`echo "$FILE" | sed -e 's/.jpg$/_resized.jpg/'`
convert "$FILE" -resize 50% "$NEWFILE"
done
...will take all the .jpg files in the current dir and write out new
files named (original filename)_resized.jpg which have their X and Y
dimensions reduced by 50%. The original files will still be there. The
geometry specification in ImageMagick is powerful, so it's more
complicated than you may expect.
http://www.imagemagick.org/script/command-line-processing.php#geometry
for all the things you can do with it.
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