sub overlap { 
    ($_[1] < $_[3] ? $_[1]: $_[3]) - ($_[0] > $_[2] ? $_[0] : $_[2]) +
+ 1; 
}

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Examine what is said, not who speaks.

The 7th Rule of perl club is -- pearl clubs are easily damaged. Use a diamond club instead.

In reply to Re: Finding the intersect of two ranges by BrowserUk
in thread Finding the intersect of two ranges by caedes

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