D:\module>perl -MO=Deparse,-p -lwe start.pl
Unquoted string "start" may clash with future reserved word at -e line 1.
Unquoted string "pl" may clash with future reserved word at -e line 1.
Useless use of concatenation (.) or string in void context at -e line 1.
BEGIN { $^W = 1; }
BEGIN { $/ = "\n"; $\ = "\n"; }
('start' . 'pl');
-e syntax OK