macOS下生成icns图标命令

mkdir me.iconset
sips -z 16 16     icon1024.png --out me.iconset/icon_16x16.png
sips -z 32 32     icon1024.png --out me.iconset/icon_16x16@2x.png
sips -z 32 32     icon1024.png --out me.iconset/icon_32x32.png
sips -z 64 64     icon1024.png --out me.iconset/icon_32x32@2x.png
sips -z 128 128   icon1024.png --out me.iconset/icon_128x128.png
sips -z 256 256   icon1024.png --out me.iconset/icon_128x128@2x.png
sips -z 256 256   icon1024.png --out me.iconset/icon_256x256.png
sips -z 512 512   icon1024.png --out me.iconset/icon_256x256@2x.png
sips -z 512 512   icon1024.png --out me.iconset/icon_512x512.png
cp icon1024.png me.iconset/icon_512x512@2x.png
iconutil --convert icns --output me.icns me.iconset
rm -R me.iconset