I know it sounds weird. I've tried changing $|. Nothing happens. It still waits for a newline. 
-bash-2.05b$ uname -a
FreeBSD gateway.intra 5.2-CURRENT FreeBSD 5.2-CURRENT #1: Tue Aug  3 1
+4:26:12 MSD 2004     root@gateway.intra:/usr/obj/usr/src/sys/My  i386

-bash-2.05b$ perl -v

This is perl, v5.6.1 built for i386-freebsd

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In reply to Re^6: A non-blocking server using 'select' calls by nikos
in thread A non-blocking server using 'select' calls by nikos

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