in reply to perl hash to CSV using Text::CSV_XS
Have you considered DBD::CSV? It uses Text::CSV_XS under the hood (speed), reads all in memory (database tables) and gives you a SQL interface to your data.
If all you need is to get all CSV into memory as quickly as possible, have a look at Text::CSV_XS' getline_all ()
Electric eels were invented at the same time as electricity
Before electricity was invented, electric eels had to stun with gas
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