Fix whitespace

run.sh

#!/bin/bash

# Convert tabs to spaces (https://stackoverflow.com/a/11094620/981846)
find . \( -name '*.m' -o -name '*.h' -o -name '*.swift' -o -name '*.pch' \) ! -type d -exec bash -c 'expand -t 4 "$0" > /tmp/e && mv /tmp/e "$0"' {} \;

# Trim trailing whitespace (https://stackoverflow.com/a/10711226/981846)
find . \( -name '*.m' -o -name '*.h' -o -name '*.swift' -o -name '*.pch' \) ! -type d -exec bash -c 'sed "s/[[:space:]]\{1,\}$//" "$0" > /tmp/e && mv /tmp/e "$0"' {} \;