oh i missed that part , sorry 
@a = 1 0 1
@b = 1 0 0
@c = 1 0 0 # unnecessary as array , just the final count of 1's in arr
+ay @c

[download]
what i need is the total number of matched 1's so in the example above i just need number 1 as a result.

" 15000int's long means length of an each array?
15000 elements in each array? "

yes 15000 integer values in any array that i'm dealing with. and yes 15000 (1's or 0's). not 15000 of just 1's not 15000 of just 0's and not #1's + #0's = 15000. 15000 elements over the alphabet of size 2: array(x or y) = {x | x in A} where A={1,0}

In reply to Re^2: Comparing two arrays by baxy77bax
in thread Comparing two arrays by baxy77bax

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.