This sorts all images that are not 1x1 aspect ratio and puts them in the widescreen folder. Make sure to change the image_direcory

sort_images_by_aspect_ratio.sh

#!/bin/bash

# Set the working directory with the images
image_directory="/home/Pictures/Stålenhag"

cd "$image_directory"
mkdir 'widescreen'

# Iterate over all jpg files in the directory
find . -iname "*.jpg" | while read -r image; do
  # Get the image dimensions using ImageMagick's identify command
  dimensions=$(identify -format "%wx%h" "$image")
  width=$(echo "$dimensions" | cut -d 'x' -f 1)
  height=$(echo "$dimensions" | cut -d 'x' -f 2)

  # Check if width and height are valid numbers
  if [[ $width =~ ^[0-9]+$ ]] && [[ $height =~ ^[0-9]+$ ]]; then
    aspect_ratio=$(echo "scale=2; $width/$height" | bc)

    # Check if the aspect ratio is greater than 1 (widescreen)
    if (( $(echo "$aspect_ratio > 1" | bc -l) )); then
      # Move the image to the widescreen folder
      mv "$image" "widescreen/"
    fi
  fi
done