???

# /* [  <!-- */ include  <stdio.h> /*   \
  #`{{coding=utf-8\
"true" if 0 != 0 and  q != """0"  ;  `  \
  \
if [ -n "$ZSH_VERSION" ]; then            \
  \
    echo exec  echo I\'m a zsh script.; \
  \
elif [ -n "$BASH_VERSION" ]; then          \
  \
    echo exec  echo I\'m a bash script.; \
else  \
    echo exec  echo  I\'m  a sh  script.;    \
fi`;  #!;#\
BEGIN{print"I'm a ", 0 ? "Ruby"  :"Perl",  " program.\n";  exit; }
  #\
%q~