~/.env: Set $PATH even if directories are missing.

.env

export XDG_AUR_HOME=$HOME/Downloads/aur
export TZ="Europe/Berlin"
for p in .bin .cabal ruby-1.9.4dev erlang-git ~/.lang_*; do
	if [ -d "$HOME/$p/bin" ]; then
		bindir="$HOME/$p/bin"
	elif [ -d "$p/bin" ]; then
		bindir="$p/bin"
	else
		bindir="$HOME/$p"
	fi
	PATH="$bindir:$PATH"
done
add_to_path() {
	for p in $*; do
		if [ -d "$HOME/$p/bin" ]; then
			bindir="$HOME/$p/bin"
		elif [ -d "$p/bin" ]; then
			bindir="$p/bin"
		else
			bindir="$HOME/$p"
		fi
		PATH="$bindir:$PATH"
	done
}
add_to_path .bin .cabal ruby-1.9.4dev erlang-git
add_to_path  ~/.lang_*