28 lines
622 B
Bash
Executable File
28 lines
622 B
Bash
Executable File
#!/bin/bash
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#
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# Shrinks PNG files to a max height of 1200px
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# Usage: ./shrink-png.sh file1.png file2.png ...
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#
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MAX_HEIGHT=1200
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if [ $# -eq 0 ]; then
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echo "Usage: $0 file1.png file2.png ..."
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exit 1
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fi
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for file in "$@"; do
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if [ ! -f "$file" ]; then
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echo "File not found: $file"
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continue
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fi
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height=$(identify -format "%h" "$file")
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if [ "$height" -gt "$MAX_HEIGHT" ]; then
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echo "Shrinking $file (${height}px -> ${MAX_HEIGHT}px)"
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convert "$file" -resize "x${MAX_HEIGHT}" "$file"
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else
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echo "Skipping $file (${height}px <= ${MAX_HEIGHT}px)"
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fi
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done
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