http://www.perlmonks.org?node_id=11126915


in reply to Re^2: Detect whether a writeable filehandle has closed?
in thread Detect whether a writeable filehandle has closed?

(ps shows "defunct".)

You need waitpid to reap the zombie.

perl -le'print map{pack c,($-++?1:13)+ord}split//,ESEL'