Problem is that if you try to read from a file which has no new data in it, then the io->getline() function will get blocked

That's not true. It will return end-of-file. Or are you reading from something other than a plain file?

See File::Tail

In reply to Re: selecting from a number of different input sources. by ikegami
in thread selecting from a number of different input sources. by jasoncollins

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