Why aren't buffers auto-flushed by default?

StackOverflow https://stackoverflow.com/questions/7405092

  •  29-10-2019
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문제

I recently had the privilege of setting $| = 1; inside my Perl script to help it talk faster with another application across a pipe.

I'm curious as to why this is not the default setting. In other words, what do I lose out on if my buffer gets flushed straightaway?

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