in reply to Won't print unless newline is included?

perl uses output buffering by default, since writing to stdout is slow. add 
$| = 1;

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at the top of your script to disable output buffering.

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

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