Unquoted string "build" may clash with future reserved word at ./626616.pl line 8.
Name "main::FILE" used only once: possible typo at ./626616.pl line 8.
Argument "build" isn't numeric in division (/) at ./626616.pl line 8.
Argument "." isn't numeric in division (/) at ./626616.pl line 8.
Illegal division by zero at ./626616.pl line 8.