![]() If you want to use Terminal to find a specific type of duplicate files, say, duplicate JPG photos, an extra command is needed. If you want to use CRC algorithm instead of MD5, run the following syntax in Terminal instead. Here are some tips that you may find helpful. A file’s path (displayed on the right) can help locate the file in Finder for you to delete. And you can keep one file and delete the rest. In the list, if two or more files show the same hash (displayed on the left), then they are duplicates. Now you can remove duplicate files one by one according to the list. When the process is done, open the file “duplicates.txt” which displays the list of duplicate files Terminal has found on your Mac. Enter the following syntax and then hit Return.Ĥ. If you want to search your entire Home folder, ignore this step.ģ. To find duplicates in a folder, say, Desktop, type “cd Desktop” and hit Return. Alternatively, search Terminal in Spotlight.Ģ. Go to Finder > Applications folder > Utilities folder and click Terminal. In my tests, it always returned “grep: –: No such file or directory” and failed to find any results.īelow is a working way to use Terminal to detect the duplicate files on your MacBook Air, MacBook Pro or iMac etc.ġ. However, it doesn’t work for many people including me. size 20 \! -type d -exec cksum \ | sort | tee /tmp/f.tmp | cut -f 1,2 -d ‘ ‘ | uniq -d | grep -hif – /tmp/f.tmp > duplicates.txt If you have done a bit of search, you probably have found the syntax below and tried it.įind. You need to manually delete the found duplicates one by one, which could take hours or longer. What’s more, it helps only with the identification of duplicate files on Mac. Note: Terminal requires command-line knowledge and is not for everyone. In Terminal, you can use MD5 or CRC algorithm to do the search, which identifies duplicates based only on content. You can use Mac’s Terminal app to do a lot of cool things including searching for duplicate files. How to find duplicate files on Mac with Terminal app Compatible with macOS 10.11 or later, including macOS 13 Ventura.Also offer selection rules to help you mass select.Automatically select all duplicates for you to delete with a click.Display the found duplicate files for you to view and preview.Find duplicates in Photos, iPhoto, Music and iTunes.Find duplicate files on Mac, external hard drive, SD card, cloud storage, etc.Identify duplicate images, videos, audios and all other duplicate files.Photo Booth, Aperture, iPhoto, Photos, etc.Cisdem Duplicate Finder The Best Duplicate File Finder for Mac The most difficult part of all this is finding cheap external storage so that you can safely fiddle with (or set fire to) your local library.Īfter running the tool, I found a large number of low filesize duplicates (probably system thumbnails) which didn’t make a huge impact for me this time around, but I think this tool can be even more useful if you’ve accidentally imported photos into multiple libraries, i.e. Then the script allows you to move every similar copy referenced in the database to your trash, review, and delete! ?Īt least, this is all my very basic understanding and I hope I didn’t nuke any of my digital memories. ![]() Then, it compares all the hashes to figure out which images are (really) similar (regardless of filesize, minor edits, etc.). This script uses something called perceptual hash ? ( pHash) to “look” at each file and give it a fingerprint hash ☝️ and save that to a database. …and read more about how to use them at 9to5mac. OK, after backing stuff up in a few places, there is actually a way to dedupe images/data on my computer! How to deduplicate photos Buy one of these mac apps Amazon can apparently do anything they want with your data :(.Amazon can store RAW photos, as long as they are non-commercial use (you’re not a photography business).Google Photos charges for storing original quality photos but compress photos are free.So, I went ahead and put everything into multiple free cloud storage services, but learned a couple things: As an aside, Arq seems neat because let’s you manage syncing/backups to Amazon S3.). But cloud storage is expensive ( this is a useful chart for cheap(er) services. My first thought: throw all my photos into my existing cloud storage (Google Photos, iCloud, etc), delete everything on my computer, and call it day. I started taking photos with my Sony a6000 a couple years ago, and as a result, I’ve been slowly filling up my harddrive with large RAW image files. ![]()
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