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Convert an image to Base64 data-uri format using ImageMagick and OpenSSL
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| # Usage: | |
| # bash image2urijpeg.sh image.jpg 320x240 > base64.txt # will resize before conversion | |
| # bash image2urijpeg.sh image.jpg > base64.txt # will keep original size | |
| magick "$1" -resize ${2:--} jpeg:- | openssl enc -base64 -A | sed -e 's/^/data:image\/jpeg;base64,/' |
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