Jupyter notebook, ffmpeg, shell commands

Extract Audio from Movie File

“ffmpeg -i input-video.avi -vn -acodec copy output-audio.aac

Execute Shell Commands from Jupyter Notebook

`%%cmd

“

or

“!

for moviefile in os.listdir("./"):

`if moviefile.endswith(".mp4"):`

    `inputfile = moviefile`

    `outputfile = moviefile + ".aac"`

    `if os.listdirtdir command = 'ffmpeg -i ' + inputfile + ' -vn -acodec copy ' + outputfile`

    `!{command}`

Using macOS Find and dot_clean

`find . -name ”.DS_Store” -type f -print

`find . -name ”.DS_Store” -type f -delete

`find . -name ”*.DS_Store” -delete

`find . -type d -empty -print

`find . -type d -empty -delete

`find . -mindepth 2 -maxdepth 2 -type d -print

`find . -mindepth 2 -maxdepth 2 -type d -exec echo mv {} . ;

`find . -name ”.DS_Store” -type f -delete && find . -type d -empty -delete

Find All Files that Don’t Have One of a Set of Extensions

`find . -type f -print | grep -vE ”.(jpg|png)$“

Update All Photos’ Date Created and Modified to Date Taken

`exiftool “-filemodifydate<datetimeoriginal” “-filecreatedate<datetimeoriginal” DIR

Organize Photos into Year / Month Folders

1. Download organize: https://[GitHub](../Organizations/GitHub.md).com/tfeldmann/organize

rules:
  - locations: ~/Pictures
  filters:
  - extension:
    - .jpg
    - .raf
  - exif
  actions:
    - move: ~/Pictures/Sorted/{exif.exif.datetimeoriginal.year}/{exif.exif.datetimeoriginal.month}/

Generate a List of Sequential URLs and Automatically Copy Them to the MacOS Clipboard

echo https://www.example.com/file-{001..010}.html | pbcopy