use 5.20.0; use warnings; use Text::CSV_XS; my $csv = Text::CSV_XS->new ({ binary => 1, auto_diag => 1, keep_meta_info => 11, }); my $row = $csv->getline (*DATA); # get the first line to count number of fields my @row = @$row; $csv->bind_columns (\(@row)); # speed up all remaining fetches do { $row[$_] =~ tr{,}{-} for grep { $csv->is_quoted ($_) } 0..$#row; $csv->say (*STDOUT, \@row); } while ($csv->getline (*DATA)); __END__ 65722417,"1193,1",7980,1133566,4169735,035,FEDERAL UNIVERSAL SERVICE FUND,0.12998 65722417,"1193,1",1012,1132900,4150053,C2,Carrier Cost Recovery Fee,0.0273