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$ perl -MText::CSV_XS=csv -we'csv (in => csv (file => "file.csv"), out + => *STDOUT, always_quote => 1)'
$ perl -MText::CSV_XS -we'$c=Text::CSV_XS->new;$a=$c->getline_all(\*AR +GV);$c->eol($/);$c->always_quote(1);$c->print(\*STDOUT,$_)for@$a' fil +e.csv