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From "Lars Bruun-Hansen (Jira)" <>
Subject [jira] [Created] (CSV-253) Handle absent values in input (null)
Date Mon, 28 Oct 2019 20:54:00 GMT
Lars Bruun-Hansen created CSV-253:

             Summary: Handle absent values in input (null)
                 Key: CSV-253
             Project: Commons CSV
          Issue Type: Improvement
          Components: Parser
            Reporter: Lars Bruun-Hansen

The parser must be able to handle absent values in input and translate that into {{null}}
as required. I see several tickets on this matter in the history, but none seem to have addressed
the issue, at least not for parsing. 

For this problem, I see a need to introduce a new term:

Definition: _Absent value_ is when there are zero characters between field delimiters.

Specifically the aim is to be able to parse the following:
    "John",,"Doe"    // 2nd element is absent
    ,"AA",123        // 1st element is absent
    "John",90,       // 3rd element is absent
    "",,90           // 2nd element is absent (1st element isn't)

See also CSV-93 which I think never addressed the issue, probably because the reporter was
happy with having the issue fixed for CSV output, not for parsing.

A PR is coming...

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