Inverted index: Difference between revisions

=={{header|11l}}==

{{trans|D}}

<lang 11l>DefaultDict[String, Set[String]] index

F parse_file(fname, fcontents)

L(word) fcontents.split(re:‘\W’)

:index[word.lowercase()].add(fname)

L(fname, fcontents) [(‘inv1.txt’, ‘It is what it is.’),

(‘inv2.txt’, ‘What is it?’),

(‘inv3.txt’, ‘It is a banana!’)]

parse_file(fname, fcontents)

L(w) [‘cat’, ‘is’, ‘banana’, ‘it’, ‘what’]

print("\nEnter a word to search for: (q to quit): "w)

I w C index

print(‘'#.' found in #..’.format(w, sorted(Array(index[w]))))

E

print(‘'#.' not found.’.format(w))</lang>

{{out}}

<pre>

Enter a word to search for: (q to quit): cat

'cat' not found.

Enter a word to search for: (q to quit): is

'is' found in [inv1.txt, inv2.txt, inv3.txt].

Enter a word to search for: (q to quit): banana

'banana' found in [inv3.txt].

Enter a word to search for: (q to quit): it

'it' found in [inv1.txt, inv2.txt, inv3.txt].

Enter a word to search for: (q to quit): what

'what' found in [inv1.txt, inv2.txt].

</pre>