Contact print generator

contact-prints.sh

#!/bin/sh

# Generates a contact print from a folder of DNGs, outputing the 
# folder above.

# This requires a bash shell and ImageMagick installed.

for filename in *.DNG; do
    f="${filename%.*}"
    if [ -f "${f}.jpg" ]
    then
        echo "Skipping conversion of ${filename}. Delete JPG to reconvert."
    else
        echo "Converting ${filename}"
        magick mogrify -format jpg -quality 75 -resize 800x800 ${filename}
    fi
done

echo "Creating contact print"
magick montage -verbose -label '%f' \
 -pointsize 32 -background '#000000' -fill 'gray' \
 -define jpeg:size=500x500 -geometry 500x500+2+2 \
 -tile 6x \
 -auto-orient *.jpg ../contact.jpg