USAGE
# index a directory and its subdirectories
index-filesytem.pl $HOME
# Use defaults from ./fs-import.yml
index-filesystem.pl -c ~/myconfig.yml
# Drop and recreate index:
index-filesystem.pl -f ./fs-import.yml
# index a directory and its subdirectories
index-filesytem.pl $HOME
# Use defaults from ./fs-import.yml
index-filesystem.pl -c ~/myconfig.yml
# Drop and recreate index:
index-filesystem.pl -f ./fs-import.yml