output buffering. 
$| = 1;

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Suffering From Buffering?
Perl Idioms Explained: $|++

perl -e"\$_=qq/nwdd\x7F^n\x7Flm{{llql0}qs\x14/;s/./chr(ord$&^30)/ge;print"

In reply to Re: sleep on windows w activestate perl by pizza_milkshake
in thread sleep on windows w activestate perl by dimar

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