Hello Anonymous Monk,

Your description unfortunately is not enough for us (or just me) to provide you an answer. We need more data, sample of file1 and sample of matching on file2.

As a solution (if I understand correctly) you have millions lines on file 1 but some how 55 fields, maybe the rows contain some key words that can match with file 2? If so you can write a regex that will match the key word with line number. As a next step you can have a hash containing the previously collected data that you will compare they keys (key words file 1, values would be line numbers) with fields on file 2.

Maybe I am really far out for answering your question, but as I said I do not know what are your data on your files.

With more information it would be easier to answer.

Help us to help you. :)

Seeking for Perl wisdom...on the process of learning...not there...yet!

In reply to Re: Supervised machine learning algo for text matching across two files by thanos1983
in thread Supervised machine learning algo for text matching across two files by Anonymous Monk

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.