Generate all of the png images necessary for an iOS app from a source SVG file, using Inkscape to render them.

generate-ios-images.sh

#!/bin/bash

sizes=('29' '29@2' '29@3' '40' '40@2' '40@3' '60@2' '60@3' '76' '76@2')
IFS='@'

for size in "${sizes[@]}"
do
        read -ra parts <<< "$size"

        base=${parts[0]}
        suffix=$base
        size=$base

        # If there is a second part, then it is e.g. the 2 in @2x
        if [ ! -z ${parts[1]} ]
        then
                suffix="$base@${parts[1]}x"
                size=$(expr $base \* ${parts[1]})
        fi

        echo "$suffix $size"
        /Applications/Inkscape.app/Contents/Resources/bin/inkscape -e "logo-icon-${suffix}.png" -w $size -h $size logo-icon.svg
done