<Jafet> (echo \'#!/bin/sh\'; echo \'a() { p=$(ps -p $$ -oppid | tail -1); if egrep " \\| cat\\$" /proc/$p/cmdline; then ps -p $0 -ocmd | tail -1; else a $p; fi }\'; echo \'a $$\') > bin/quine2 && cat bin/quine2

#echo `cat foo