Bareword found where operator expected at test2.pl line 18, near "printf O "%s", pack 'V/A"
  (Might be a runaway multi-line // string starting on line 8)
        (Do you need to predeclare printf?)
Bareword found where operator expected at test2.pl line 18, near "', pack 'V"
        (Missing operator before V?)
Global symbol "@AoA" requires explicit package name at test2.pl line 8.
Global symbol "@AoA" requires explicit package name at test2.pl line 8.
Global symbol "@AoA" requires explicit package name at test2.pl line 8.
Global symbol "@AoA" requires explicit package name at test2.pl line 8.
Global symbol "$start" requires explicit package name at test2.pl line 8.
Global symbol "@AoA" requires explicit package name at test2.pl line 8.
syntax error at test2.pl line 18, near "printf O "%s", pack 'V/A"
Bad name after raw' at test2.pl line 26.