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#!/bin/sh
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src="$1"
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shift
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if [ -z "$src" -o ! -e "$src" -o "$*" ]; then
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cat 1>&2 <<EOF
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Usage: $0 /path/to/icon.png
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EOF
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fi
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set -e
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mkdir -p icons/
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cat "$src" > icons/160.png
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for i in 16 22 32 48 64 128; do
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convert -resize ${i}x${i} "$src" icons/$i.png
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done
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exit 0
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