How can I create an index file in java?

Question

I want to create an index file from a very large text file in java. Actually I want to keep the number and the byte of the first character in each line in the index file.I am going to use it to do searching as fast as possible in my original file.

It will be great if someone can help me with a sample code.

See also my reply to this later question.

Paŭlo Ebermann
– Paŭlo Ebermann

2011-02-28 22:18:43 +00:00
Commented Feb 28, 2011 at 22:18 — Paŭlo Ebermann
– Paŭlo Ebermann, Commented Feb 28, 2011 at 22:18

adarshr · Accepted Answer · 2011-02-28 10:34:58Z

4

Have you checked Apache Lucene?

answered Feb 28, 2011 at 10:34

adarshr

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sylvester Over a year ago

Yes, I checked it before, but I try to find another way to create the index file instead of using this library.

Thomas Jung · Accepted Answer · 2011-02-28 11:54:57Z

0

An index file is just a mapping Word -> Location. For simple problems you can build that on your own using a Multimap from the word to the locations of the word in the file.

If you need stop lists, stemming and other language processing, pre-, post-, or infix-search you should consider a search engine.

edited Feb 28, 2011 at 11:54

answered Feb 28, 2011 at 10:39

Thomas Jung

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