use 5.20.0; use warnings; use Text::CSV_XS; my $csv = Text::CSV_XS->new ({ binary => 1, auto_diag => 1, quote_space => 0, keep_meta_info => 11, }); open my $io, "<", "test.csv"; open my $oh, ">", "out.csv"; my @row = ("") x 8; # The CSV has 8 columns $csv->bind_columns (\(@row)); while ($csv->getline ($io)) { $row[$_] =~ tr{,}{-} for grep { $csv->is_quoted ($_) } 0..$#row; $csv->say ($oh, \@row); }