<wob_jonas> perl -eopen$i,"<",($f="wisdom/aristotle");$_=<$i>; s/(alphabet).*/$1 doesn\'t have the letter C.\\n/ or die; open$o,">",$f; print$o $_ or die; print substr$_,300;

sep='//`'
[[ "$1" == ?*"$sep"* ]] || { echo 'Usage: `# <comment>'"$sep"'<command>' >&2 ; exit 1; }
nur "${1#*$sep}"