66 lines
1.7 KiB
Text
66 lines
1.7 KiB
Text
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#!/bin/bash
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# Default heights to scale images to
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DEFAULT_HEIGHTS=(35 70 140 280)
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# Function to resize image while maintaining aspect ratio
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resize_image() {
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local input_file="$1"
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local height="$2"
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local filename=$(basename "$input_file")
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local dirname=$(dirname "$input_file")
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local extension="${filename##*.}"
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local name="${filename%.*}"
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echo "$dirname" | grep -q "mutations" && return 1
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# Create the derivatives directory if it doesn't exist
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local output_dir="${dirname}/mutations/${name}"
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mkdir -p "$output_dir"
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local output_file="${output_dir}/${name}_${height}.${extension}"
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# Check if the output file already exists
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if [[ ! -f "$output_file" ]]; then
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# Use convert (ImageMagick) to resize the image
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convert "$input_file" -resize "x${height}" "$output_file"
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echo "Resized $input_file to $output_file"
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else
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echo "Skipped $input_file, $output_file already exists"
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fi
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}
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# Function to process directory recursively
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process_directory() {
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local dir="$1"
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local heights=("${!2}")
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find "$dir" -type d -name "*_derivatives" -prune -o -type f \( -iname '*.jpg' -o -iname '*.jpeg' -o -iname '*.png' -o -iname '*.gif' -o -iname '*.bmp' \) -print | while read -r file; do
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for height in "${heights[@]}"; do
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resize_image "$file" "$height"
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done
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done
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}
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# Main function
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main() {
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local target_dir="$1"
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shift
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local heights=("$@")
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if [[ -z "$target_dir" ]]; then
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echo "Usage: $0 <directory> [heights...]"
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exit 1
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fi
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if [[ ${#heights[@]} -eq 0 ]]; then
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heights=("${DEFAULT_HEIGHTS[@]}")
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fi
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process_directory "$target_dir" heights[@]
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}
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# Call the main function with all script arguments
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main "$@"
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