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Inside Out 2, 2024
Watched on Friday August 23, 2024.
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Semi Automated Bulk Selling Ebay
Here are my notes on how to efficiently sell multiple CDs on eBay with the help of Apples vision API and ChatGPT.
This can be adapted to selling DVDs or Blu-Rays as well.
taking pictues
Use a ringlight that holds your iPhone in place.
Take one picture of front and back, make sure there are no gaps.
Move the files to your mac, you now have a list of files.
$ ls -rt
IMG_0355 2.HEIC IMG_0369.HEIC IMG_0380.HEIC IMG_0391.HEIC IMG_0402.HEIC IMG_0413.HEIC
IMG_0356 2.HEIC IMG_0370.HEIC IMG_0381.HEIC IMG_0392.HEIC IMG_0403.HEIC IMG_0414.HEIC
IMG_0360.HEIC IMG_0371.HEIC IMG_0382.HEIC IMG_0393.HEIC IMG_0404.HEIC IMG_0415.HEIC
IMG_0361.HEIC IMG_0372.HEIC IMG_0383.HEIC IMG_0394.HEIC IMG_0405.HEIC IMG_0416.HEIC
IMG_0362.HEIC IMG_0373.HEIC IMG_0384.HEIC IMG_0395.HEIC IMG_0406.HEIC IMG_0417.HEIC
IMG_0363.HEIC IMG_0374.HEIC IMG_0385.HEIC IMG_0396.HEIC IMG_0407.HEIC IMG_0418.HEIC
IMG_0364.HEIC IMG_0375.HEIC IMG_0386.HEIC IMG_0397.HEIC IMG_0408.HEIC IMG_0419.HEIC
IMG_0365.HEIC IMG_0376.HEIC IMG_0387.HEIC IMG_0398.HEIC IMG_0409.HEIC
IMG_0366.HEIC IMG_0377.HEIC IMG_0388.HEIC IMG_0399.HEIC IMG_0410.HEIC
IMG_0367.HEIC IMG_0378.HEIC IMG_0389.HEIC IMG_0400.HEIC IMG_0411.HEIC
IMG_0368.HEIC IMG_0379.HEIC IMG_0390.HEIC IMG_0401.HEIC IMG_0412.HEIC
move images into subdirectories
For this you need GNU parallel.
ls|parallel -N2 "mkdir {#} && mv {1} {2} {#}/."
$ ls
1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 4 5 6 7 8 9
$ ls */*.HEIC
1/IMG_0355 2.HEIC 15/IMG_0387.HEIC 21/IMG_0398.HEIC 27/IMG_0411.HEIC 5/IMG_0366.HEIC
1/IMG_0356 2.HEIC 16/IMG_0388.HEIC 21/IMG_0399.HEIC 28/IMG_0412.HEIC 5/IMG_0367.HEIC
10/IMG_0376.HEIC 16/IMG_0389.HEIC 22/IMG_0400.HEIC 28/IMG_0413.HEIC 6/IMG_0368.HEIC
10/IMG_0377.HEIC 17/IMG_0390.HEIC 22/IMG_0401.HEIC 29/IMG_0414.HEIC 6/IMG_0369.HEIC
11/IMG_0378.HEIC 17/IMG_0391.HEIC 23/IMG_0402.HEIC 29/IMG_0415.HEIC 7/IMG_0370.HEIC
11/IMG_0379.HEIC 18/IMG_0392.HEIC 23/IMG_0403.HEIC 3/IMG_0362.HEIC 7/IMG_0371.HEIC
12/IMG_0380.HEIC 18/IMG_0393.HEIC 24/IMG_0404.HEIC 3/IMG_0363.HEIC 8/IMG_0372.HEIC
12/IMG_0381.HEIC 19/IMG_0394.HEIC 24/IMG_0405.HEIC 30/IMG_0416.HEIC 8/IMG_0373.HEIC
13/IMG_0382.HEIC 19/IMG_0395.HEIC 25/IMG_0406.HEIC 30/IMG_0417.HEIC 9/IMG_0374.HEIC
13/IMG_0383.HEIC 2/IMG_0360.HEIC 25/IMG_0407.HEIC 31/IMG_0418.HEIC 9/IMG_0375.HEIC
14/IMG_0384.HEIC 2/IMG_0361.HEIC 26/IMG_0408.HEIC 31/IMG_0419.HEIC
14/IMG_0385.HEIC 20/IMG_0396.HEIC 26/IMG_0409.HEIC 4/IMG_0364.HEIC
15/IMG_0386.HEIC 20/IMG_0397.HEIC 27/IMG_0410.HEIC 4/IMG_0365.HEIC
convert images
Depending on the browser / eBay client you use this may be optional. I found it most robust to convert all images upfront.
This uses imagemagick. There are some warnings to use the convert command instead.
$ ls */*.HEIC|parallel "magick convert {} {.}.jpg"
$ ls */*.jpg
1/IMG_0355 2.jpg 15/IMG_0387.jpg 21/IMG_0398.jpg 27/IMG_0411.jpg 5/IMG_0366.jpg
1/IMG_0356 2.jpg 16/IMG_0388.jpg 21/IMG_0399.jpg 28/IMG_0412.jpg 5/IMG_0367.jpg
10/IMG_0376.jpg 16/IMG_0389.jpg 22/IMG_0400.jpg 28/IMG_0413.jpg 6/IMG_0368.jpg
10/IMG_0377.jpg 17/IMG_0390.jpg 22/IMG_0401.jpg 29/IMG_0414.jpg 6/IMG_0369.jpg
11/IMG_0378.jpg 17/IMG_0391.jpg 23/IMG_0402.jpg 29/IMG_0415.jpg 7/IMG_0370.jpg
11/IMG_0379.jpg 18/IMG_0392.jpg 23/IMG_0403.jpg 3/IMG_0362.jpg 7/IMG_0371.jpg
12/IMG_0380.jpg 18/IMG_0393.jpg 24/IMG_0404.jpg 3/IMG_0363.jpg 8/IMG_0372.jpg
12/IMG_0381.jpg 19/IMG_0394.jpg 24/IMG_0405.jpg 30/IMG_0416.jpg 8/IMG_0373.jpg
13/IMG_0382.jpg 19/IMG_0395.jpg 25/IMG_0406.jpg 30/IMG_0417.jpg 9/IMG_0374.jpg
13/IMG_0383.jpg 2/IMG_0360.jpg 25/IMG_0407.jpg 31/IMG_0418.jpg 9/IMG_0375.jpg
14/IMG_0384.jpg 2/IMG_0361.jpg 26/IMG_0408.jpg 31/IMG_0419.jpg
14/IMG_0385.jpg 20/IMG_0396.jpg 26/IMG_0409.jpg 4/IMG_0364.jpg
15/IMG_0386.jpg 20/IMG_0397.jpg 27/IMG_0410.jpg 4/IMG_0365.jpg
extract text from images
This uses Apples vision API (as opposed to Vision OS). This should also be what Apple uses to have you select / copy text from images throughout the operating system.
The CLI tool I am using is called litex.
$ ls */*.jpg|parallel "litex --lang de-DE --use-vision {}"
$ ls 2/*.txt
2/IMG_0360_text.txt 2/IMG_0361_text.txt
$ cat 2/IMG_0360_text.txt
NUR auf Bravo His BACKSTREET ROYS UNPLUGGE Nia Social
8 10
Aus der TV- und Tunkwerbung
HITS
23
Faithless
Depeche Mode
Destree
Christian Wunderlich
Falco
Franka Potente & Thomas ID.
16
17
18
19
20
21
22 23 24
25 26 27
28
29 30
31 32%
have ChatGPT generate item descriptions
The ChatGPT client I use can be found on Github. This needs an API key from OpenAI and the calls incur costs.
The model defaults to ‘gpt-3.5-turbo’ for me. Runnning this for 18 CDs cost one US cent, but YMMV depending on the amount of text the previous step extracts.
$ ls */*.txt|parallel -P1 -N2 'cat {1} {2}|chatgpt -p "Das ist der OCR Text einer CD Vorder- und Rückseite. Ermittle wie die CD mutmaßlich heißt, generiere ein Track-Listung und einen kurzen Verkaufstext für eine eBay Auktion. Beschränke dich auf die Beschreibung der CD, nichts zu modalitäten des Verkaufs.">{1//}/description.txt'
$ ls */description.txt
1/description.txt 16/description.txt 22/description.txt 29/description.txt 7/description.txt
10/description.txt 17/description.txt 23/description.txt 3/description.txt 8/description.txt
11/description.txt 18/description.txt 24/description.txt 30/description.txt 9/description.txt
12/description.txt 19/description.txt 25/description.txt 31/description.txt
13/description.txt 2/description.txt 26/description.txt 4/description.txt
14/description.txt 20/description.txt 27/description.txt 5/description.txt
15/description.txt 21/description.txt 28/description.txt 6/description.txt
$ cat 2/description.txt
Die mutmaßliche CD heißt: "Bravo Hits 23"
Track-Liste:
CD 1:
1. BACKSTREET BOYS - "All I Have To Give"
2. CHRISTIAN WUNDERLICH - "That's My Way To Say Goodbye"
[…]
19. MANIC STREET PREACHERS - "If You Tolerate This Your Children Will Not Be"
20. DIE ROTEN ROSEN - "Kommet ihr Kinderlein"
CD 2:
1. FAITHLESS - "God Is A DJ"
2. DEPECHE MODE - "Only When I Lose Myself"
[…]
19. SILENT BREED - "Sync In"
20. STORM - "Huri-Khan"
Verkaufstext für eBay Auktion:
Erleben Sie mit der "Bravo Hits 23" eine Zusammenstellung der größten Hits aus dem Jahr 1998! Mit bekannten Künstlern wie Backstreet Boys, Faithless, Depeche Mode, und vielen mehr, ist diese Doppel-CD vollgepackt mit eingängigen Songs aus verschiedenen Genres. Perfekt für Fans der 90er Musik und für Sammler von Bravo Hits. Holen Sie sich jetzt dieses nostalgische Musikalbum und genießen Sie die zeitlosen Hits von damals!
enter listings
This part is one I would love to automate better. The eBay CSV format is atrocious and eBay seems to no longer support it, as one cannot download clean example files from the eBay web-ui. For now I use the power seller console to input all data by copy / pasting. This also helps spotting transcription errors.
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My Cousin Vinny, 1992
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