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+world -- Print mappings between country names and DNS country codes.
+
+Author:  Barry Warsaw
+Email:   bwarsaw@python.org
+
+This script will take a list of Internet addresses and print out where in the
+world those addresses originate from, based on the top-level domain country
+code found in the address.  Addresses can be in any of the following forms:
+
+    xx                -- just the country code or top-level domain identifier
+    host.domain.xx    -- any Internet host or network name
+    somebody@where.xx -- an Internet email address
+
+If no match is found, the address is interpreted as a regular expression [*]
+and a reverse lookup is attempted.  This script will search the country names
+and print a list of matching entries.  You can force reverse mappings with the
+`-r' flag (see below).
+
+For example:
+
+    %% world tz us
+    tz originated from Tanzania, United Republic of
+    us originated from United States
+
+    %% world united
+    united matches 6 countries:
+        ae: United Arab Emirates
+        uk: United Kingdom (common practice)
+        um: United States Minor Outlying Islands
+        us: United States
+        tz: Tanzania, United Republic of
+        gb: United Kingdom
+
+
+ [*] Note that regular expressions must conform to Python 1.5's re.py module
+ syntax.  The comparison is done with the search() method.
+
+Country codes are maintained by the RIPE Network Coordination Centre,
+in coordination with the ISO 3166 Maintenance Agency at DIN Berlin.  The
+authoritative source of counry code mappings is:
+
+    <url:ftp://info.ripe.net/iso3166-countrycodes>
+
+The latest known change to this information was:
+
+    Thu Aug  7 17:59:51 MET DST 1997
+
+This script also knows about non-geographic top-level domains.
+
+Usage: world [-d] [-p file] [-o] [-h] addr [addr ...]
+
+    --dump
+    -d
+        Print mapping of all top-level domains.
+
+    --parse file
+    -p file
+        Parse an iso3166-countrycodes file extracting the two letter country
+        code followed by the country name.  Note that the three letter country
+        codes and numbers, which are also provided in the standard format
+        file, are ignored.
+
+    --outputdict
+    -o
+        When used in conjunction with the `-p' option, output is in the form
+        of a Python dictionary, and country names are normalized
+        w.r.t. capitalization.  This makes it appropriate for cutting and
+        pasting back into this file.
+
+    --reverse
+    -r
+        Force reverse lookup.  In this mode the address can be any Python
+        regular expression; this is matched against all country names and a
+        list of matching mappings is printed.  In normal mode (e.g. without
+        this flag), reverse lookup is performed on addresses if no matching
+        country code is found.
+
+    -h
+    --help
+        Print this message.
+
+
+Local Variables:
+indent-tabs-mode: nil
+End: