example/bop-scount-example.js
/*
* Bop#sparse Bop#scount and Bop#count example
*/
var log = console.log
, Bop = require( '../' )
, hello = '------hello'
, line = new Buffer( hello + hello )
, bop = Bop( line )
, llen = line.length
, l = 8
, data = new Buffer( 230 + llen * l )
, i = 0
, matches = null
, cnt = -1
;
log( '- pattern is:', bop.p );
log( '- fill data with %d patterns', l );
/*
* NOTE: it builds example data using Buffer#copy, instead of
* Buffer#concat, to mantain retro compatibility with older
* nodejs versions.
*/
for ( ; i < l; ++i ) line.copy( data, 23 + i * llen );
matches = bop.sparse( data );
log( '\n-> use #sparse (no overlapping sequences).' );
log( '- bop.sparse(data) matches:', matches.length );
cnt = bop.scount( data, 0, true )
log( '- bop.scount(data, true):', cnt );