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oam/knowledge base/exiftool.md
Michele Cereda c8323579a2 chore(kb): improve tagging-related commands
2024-10-13 20:45:50 +02:00

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ExifTool

Platform-independent Perl library and command-line application for reading, writing and editing meta information in a wide variety of files.
It supports many different metadata formats as well as the maker notes of many digital cameras.

  1. TL;DR
  2. Further readings
    1. Sources

TL;DR

Setup 
# Installation.
brew install 'exiftool'
sudo zypper in 'exiftool'
Usage 
# Show metadata in files.
exiftool 'path/to/image-1.jpg' 'path/to/image-n.jpg'

# Only show specific metadata tags.
# Tags selection is case *in*sensitive.
# Spaces in tags must be removed from the selector.
exiftool -'tagName' 'path/to/image-1.jpg'

# Add or edit metadata tags.
exiftool -author='linuxConfig' -title='Linux penguin' 'image.jpg'

# Remove metadata tags.
exiftool -author='' -title= 'image.jpg'
exiftool -all='' 'image.jpg'
Real world use cases 
# It would be the same to use '-imageheight', '-ImageHeight' or '-imageHeight'.
exiftool -ImageHeight 'Downloads/meme.png'

# Print formatted date/time for all JPG files in the current directory.
exiftool -d "%r %a, %B %e, %Y" -DateTimeOriginal -S -s *'.jpg'

# Extract all GPS positions from an AVCHD video.
exiftool -ee -p "$gpslatitude, $gpslongitude, $gpstimestamp" 'a.m2ts'

# Recursively extract JPG images from Canon CRW files in the current directory.
# Add 'C<_JFR.jpg>' to the name of the output JPG files.
exiftool -b -JpgFromRaw -w '_JFR.jpg' -ext 'CRW' -r '.'

Further readings

Sources