Fetches category (or categories) of content hosted by a domain according to DMOZ.
The function checks if path to the DMOZ file is provided by the user.
If not, it looks for dmoz_domain_cateory.csv in the working directory. It also returns
results for prominent subdomains.
Usage
dmoz_cat(domains = NULL, use_file = NULL)
Arguments
domains
vector of domain names
use_file
path to the dmoz file, which can be downloaded using get_dmoz_data
Value
data.frame with original list and content category of the domain