Forgive me for being picky, but I don't see a flip-flop operator in this example. The flip-flop consists of an if which has two tests joined by a range. See Range Operators in perldoc perlop.

if ( <some cond or re> .. <another test or re> ) {
...
}

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As Occam said: Entia non sunt multiplicanda praeter necessitatem.

In reply to Re^2: Reading in Block by TomDLux
in thread Reading in Block by eversuhoshin

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