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<Jafet> (echo \'#!/bin/sh\'; echo \'a() { p=$(echo -n $(ps -p $0 -oppid | tail -1)); if egrep " \\| cat\\$" /proc/$p/cmdline; then ps -p $0 -ocmd | tail -1; else a $p; fi }\'; echo \'a $$\') > bin/quine2
author HackBot
date Fri, 01 Mar 2013 02:00:55 +0000
parents a3d5eada24e3
children 7abc8205c350
line wrap: on
line source

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