Create a Mac Application .iconset collection from base image
#! /bin/bash
# Pass in the name of the source file to resize as a command line argument
# More information here: http://bit.ly/NlHBqL
mkdir -p icon.iconset
convert $1 -resize 16x16 icon.iconset/icon_16x16.png
convert $1 -resize 32x32 icon.iconset/icon_16x16@2x.png
convert $1 -resize 32x32 icon.iconset/icon_32x32.png
convert $1 -resize 64x64 icon.iconset/icon_32x32@2x.png
convert $1 -resize 128x128 icon.iconset/icon_128x128.png
convert $1 -resize 256x256 icon.iconset/icon_128x128@2x.png
convert $1 -resize 256x256 icon.iconset/icon_256x256.png
convert $1 -resize 512x512 icon.iconset/icon_256x256@2x.png
convert $1 -resize 512x512 icon.iconset/icon_512x512.png
convert $1 -resize 1024x1024 icon.iconset/icon_512x512@2x.png