if [ $commands[fasd] ]; then # check if fasd is installed
fasd_cache="$HOME/.fasd-init-cache"
if [ "$(command -v fasd)" -nt "$fasd_cache" -o ! -s "$fasd_cache" ]; then
fasd --init auto >| "$fasd_cache"
fi
source "$fasd_cache"
unset fasd_cache
alias v='f -e vim'
alias o='a -e open'