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I find at least 3 ways to read from a nonblocking socket in perl
$socket->recv
$socket->sysread
POSIX::read($socket,...
looks like 3 different names to the same thing, I read the documentations but I can’t find one huge differente. anyone?
sysreadis stream (TCP) oriented (it doesn’t care about where one send ends and another begins), andrecvis datagram (UDP) oriented (it does care).POSIX::readworks on file descriptors, whereassysreadworks on file handles.