50 lines
1.8 KiB
Bash
50 lines
1.8 KiB
Bash
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#!/bin/bash
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# Directory containing the images
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input_dir="./public"
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output_dir="./public/tmp"
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rm -rf ${output_dir}
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mkdir -p ${output_dir}
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for input_file in "$input_dir"/*; do
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if [ -f "$input_file" ]; then
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filename=$(basename "$input_file")
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extension="${filename##*.}"
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output_file="${output_dir}/${filename}"
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case "$extension" in
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jpg)
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# local max=65536
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if [ $(stat -f%z "${input_file}") -gt 65536 ]; then
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magick "${input_file}" -resize 30% "${output_file}"
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while [ $(stat -f%z "$output_file") -gt 65536 ]; do
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echo "Processing JPEG file: $output_file"
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magick "${output_file}" -resize 30% "${output_file}"
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done
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fi
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mv "${output_file}" "${input_file}"
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;;
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gif)
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if [ $(stat -f%z "$input_file") -gt 1048576 ]; then
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ffmpeg -y -i "$input_file" -vf "scale=iw*0.75:ih*0.75" "${output_file}"
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while [ $(stat -f%z "$output_file") -gt 1048576 ]; do
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echo "Processing GIF file: $output_file"
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# Compress GIF files using ffmpeg
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ffmpeg -y -i "$output_file" -vf "scale=iw*0.75:ih*0.75:flags=lanczos,split[s0][s1];[s0]palettegen=max_colors=32[p];[s1][p]paletteuse=dither=bayer" "${output_dir}/tmp-${filename}"
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mv "${output_dir}/tmp-${filename}" "${output_file}"
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done
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mv "${output_file}" "${input_file}"
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fi
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;;
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*)
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echo "Skipping file: $input_file"
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;;
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esac
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fi
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done
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rm -rf ${output_dir}
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echo "Compression complete!"
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