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@quietcricket
Created April 19, 2018 05:56
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Create a icns file from a 1024x1024 png file
mkdir MyIcon.iconset
sips -z 16 16 Icon1024.png --out MyIcon.iconset/icon_16x16.png
sips -z 32 32 Icon1024.png --out MyIcon.iconset/icon_16x16@2x.png
sips -z 32 32 Icon1024.png --out MyIcon.iconset/icon_32x32.png
sips -z 64 64 Icon1024.png --out MyIcon.iconset/icon_32x32@2x.png
sips -z 128 128 Icon1024.png --out MyIcon.iconset/icon_128x128.png
sips -z 256 256 Icon1024.png --out MyIcon.iconset/icon_128x128@2x.png
sips -z 256 256 Icon1024.png --out MyIcon.iconset/icon_256x256.png
sips -z 512 512 Icon1024.png --out MyIcon.iconset/icon_256x256@2x.png
sips -z 512 512 Icon1024.png --out MyIcon.iconset/icon_512x512.png
cp Icon1024.png MyIcon.iconset/icon_512x512@2x.png
iconutil -c icns MyIcon.iconset
rm -R MyIcon.iconset
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