in reply to Re^3: Compare and group unmatched records from 2 CSV files together
in thread Compare and group unmatched records from 2 CSV files together

There's also dos2unix (and unix2dos) for this sort of conversion. Very handy!
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Re^5: Compare and group unmatched records from 2 CSV files together
by Laurent_R (Canon) on Jun 25, 2014 at 06:00 UTC
    Right, usually available on Linux, but not on all Unix environments (for example not on our version of AIX, where I made a dos2unix alias which uses the above Perl one-liner).