Possible unintended interpolation of @row in string at comb1.pl line 19.
Global symbol "$dbh" requires explicit package name at comb1.pl line 13.
Global symbol "$dbh" requires explicit package name at comb1.pl line 14.
Global symbol "@row" requires explicit package name at comb1.pl line 16.
Global symbol "$values" requires explicit package name at comb1.pl line 18.
Global symbol "@row" requires explicit package name at comb1.pl line 18.
Global symbol "@row" requires explicit package name at comb1.pl line 19.
Execution of comb1.pl aborted due to compilation errors.