Mac OS X用のアイコンファイル(.icns)を生成するスクリプトです。[email protected](解像度が1024x1024)のファイルを実行フォルダに設置して実行してください。

gen_icons.sh

#!/bin/sh
# for Mac OS X
# required sips command

cd `dirname $0`

outdir="icon.iconset"
mkdir -p $outdir

if [ -e "[email protected]" ]; then
	BASE_FILE="[email protected]"
else
	echo "Not Found file [email protected]..."
	exit 1
fi

sips -Z 1024 ${BASE_FILE} --out ${outdir}/[email protected]
sips -Z 512 ${BASE_FILE} --out ${outdir}/icon_512x512.png
sips -Z 512 ${BASE_FILE} --out ${outdir}/[email protected]
sips -Z 256 ${BASE_FILE} --out ${outdir}/icon_256x256.png
sips -Z 256 ${BASE_FILE} --out ${outdir}/[email protected]
sips -Z 128 ${BASE_FILE} --out ${outdir}/icon_128x128.png
sips -Z 64 ${BASE_FILE} --out ${outdir}/[email protected]
sips -Z 32 ${BASE_FILE} --out ${outdir}/icon_32x32.png
sips -Z 32 ${BASE_FILE} --out ${outdir}/[email protected]
sips -Z 16 ${BASE_FILE} --out ${outdir}/icon_16x16.png

iconutil -c icns ${outdir}

exit 0