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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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In reply to Re^3: using bits to print part of a string.(bug) by BrowserUk
in thread using bits to print part of a string by Anonymous Monk

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