24 lines
514 B
Bash
24 lines
514 B
Bash
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#!/usr/bin/env bash
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if [ "$#" -ne 1 ]; then
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echo "Usage: $0 <input_image.png>"
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exit 1
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fi
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input_file="$1"
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backup_file="${input_file%.png}.bak.png"
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output_file="$input_file"
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cp "$input_file" "$backup_file"
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magick "$input_file" -quality 100 -define png:compression-level=9 -strip -colors 256 "$output_file"
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if [ $? -eq 0 ]; then
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echo "Image compression completed: $input_file"
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echo "Backup created: $backup_file"
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else
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mv "$backup_file" "$input_file"
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echo "Error during image compression"
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exit 1
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fi
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