|Perl: the Markov chain saw|
Re^3: using bits to print part of a string.(bug)by BrowserUk (Pope)
|on Mar 16, 2013 at 04:19 UTC||Need Help??|
BTW: There is a problem with your substrwise test.
The first time through, $mask is undefined, so you set up @mask and set smask.
But on the second and subsequent times through, $mask is defined, so the non-state variable: @mask is left empty, so you don't do any actual work.
That probably explains the surprising apparent efficiency of substrwise in the figures McA posted.
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