How can I locate RAW+JPEG pairs in Lightroom Classic when JPEGs are treated as separate photos?

Question

I imported photos shot in RAW+JPEG, and Lightroom is set to treat JPEG files next to raw files as separate photos. In a large catalog, I want to review the RAW and JPEG versions side by side so I can compare the camera JPEG rendering and decide whether to keep the JPEGs. Is there a Lightroom 5.7/macOS Sierra feature to filter for only images that have both RAW and JPEG versions, or another practical way to find those pairs?

workflow lightroom jpeg catalog raw

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

9y ago

user22575 · Accepted Answer

The question asks for a way to find RAW+JPEGs in Lightroom, but I couldn't find a way. So I had to settle for a script, in Ruby.

This finds files that exist in multiple formats. That is, files with the same name and location but different extensions:

require 'set'

list = Dir['**/*.*']

set = Set.new
dupes = Set.new

for path in list
    down = path.downcase
    if down.end_with?("xmp") or down.end_with?("thm")
        next
    end
    pathWithoutExt = path.rpartition('.').first
    if set.add?(pathWithoutExt) == nil
        dupes.add(pathWithoutExt)
    end
end

for dupe in dupes
    puts dupe
end

I tested this on Ruby 2.4 on macOS Sierra. It turns out I have no RAW+JPEGs, but I did have files in both JPEG and PNG format.

This script is not photography-specific and can find, say, files that exist in both txt and docx formats.

How can I locate RAW+JPEG pairs in Lightroom Classic when JPEGs are treated as separate photos?

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