How To Batch Create Thumbnails Using mogrify
erics, Posted August 7th, 2013 at 10:06:16pm
I used the ImageMagick mogrify command to batch-create over 14,000 thumbnails easily.
Since the default operation is to overwrite the originals, I chose to write the output files into a different directory with the -path option.
Note the greater-than sign (>) after the 100×100 dimensions. This flag tells mogrify to only shrink images that have more than the calculated number of pixels, while leaving images that are already smaller than that size.
mogrify -format png -auto-orient -thumbnail '100x100>' -unsharp 0x.5 -path ../thumbs '*.png'
Categories: How-To's, Technology Batch, convert, howto, ImageMagick, Mogrify, tips
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