##
$ cat pm_error_quine
Can't find string terminator " anywhere before EOF at pm_error_quine line 1.
$ perl pm_error_quine 1> /dev/null
Can't find string terminator '"' anywhere before EOF at pm_error_quine line 1.
$
##
##
$ cat pm_error_quine
Can't find string terminator ` anywhere before EOF at pm_error_quine line 1.
$ perl pm_error_quine 1> /dev/null
Can't find string terminator "`" anywhere before EOF at pm_error_quine line 1.
$