$DNA = <STDIN>; if ($position = -1); { } else { }
Standard input is empty
Standard output is empty
syntax error at prog.pl line 2, near "$DNA;" syntax error at prog.pl line 2, near "3]" syntax error at prog.pl line 3, near ");" syntax error at prog.pl line 7, near "else" Execution of prog.pl aborted due to compilation errors.